diff --git a/generator/src/main/java/line/bot/generator/PythonNextgenCustomClientGenerator.java b/generator/src/main/java/line/bot/generator/PythonNextgenCustomClientGenerator.java
index 7d840301b..098bbdd57 100644
--- a/generator/src/main/java/line/bot/generator/PythonNextgenCustomClientGenerator.java
+++ b/generator/src/main/java/line/bot/generator/PythonNextgenCustomClientGenerator.java
@@ -1055,7 +1055,7 @@ public OperationsMap postProcessOperationsWithModels(OperationsMap objs, List<Mo
         // need pydantic imports
         if (!pydanticImports.isEmpty()) {
             Map<String, String> item = new HashMap<>();
-            item.put("import", String.format(Locale.ROOT, "from pydantic import %s\n", StringUtils.join(pydanticImports, ", ")));
+            item.put("import", String.format(Locale.ROOT, "from pydantic.v1 import %s\n", StringUtils.join(pydanticImports, ", ")));
             newImports.add(item);
         }
 
diff --git a/generator/src/main/resources/python-nextgen-custom-client/api.mustache b/generator/src/main/resources/python-nextgen-custom-client/api.mustache
index 9b1df65d9..52ca63b7d 100644
--- a/generator/src/main/resources/python-nextgen-custom-client/api.mustache
+++ b/generator/src/main/resources/python-nextgen-custom-client/api.mustache
@@ -5,7 +5,7 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated{{#asyncio}}
 from typing import overload, Optional, Union, Awaitable{{/asyncio}}
 
diff --git a/generator/src/main/resources/python-nextgen-custom-client/api_response.mustache b/generator/src/main/resources/python-nextgen-custom-client/api_response.mustache
index d81c2ff58..5cc59478a 100644
--- a/generator/src/main/resources/python-nextgen-custom-client/api_response.mustache
+++ b/generator/src/main/resources/python-nextgen-custom-client/api_response.mustache
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/generator/src/main/resources/python-nextgen-custom-client/asyncio/async_api.mustache b/generator/src/main/resources/python-nextgen-custom-client/asyncio/async_api.mustache
index 9f8bd3661..3930f5754 100644
--- a/generator/src/main/resources/python-nextgen-custom-client/asyncio/async_api.mustache
+++ b/generator/src/main/resources/python-nextgen-custom-client/asyncio/async_api.mustache
@@ -6,7 +6,7 @@ import re  # noqa: F401
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
diff --git a/generator/src/main/resources/python-nextgen-custom-client/model_anyof.mustache b/generator/src/main/resources/python-nextgen-custom-client/model_anyof.mustache
index f963021e0..79a1e1ce1 100644
--- a/generator/src/main/resources/python-nextgen-custom-client/model_anyof.mustache
+++ b/generator/src/main/resources/python-nextgen-custom-client/model_anyof.mustache
@@ -5,12 +5,12 @@ import pprint
 import re  # noqa: F401
 {{#vendorExtensions.x-py-datetime-imports}}{{#-first}}from datetime import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-datetime-imports}}
 {{#vendorExtensions.x-py-typing-imports}}{{#-first}}from typing import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-typing-imports}}
-{{#vendorExtensions.x-py-pydantic-imports}}{{#-first}}from pydantic import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-pydantic-imports}}
+{{#vendorExtensions.x-py-pydantic-imports}}{{#-first}}from pydantic.v1 import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-pydantic-imports}}
 {{#vendorExtensions.x-py-model-imports}}
 {{{.}}}
 {{/vendorExtensions.x-py-model-imports}}
 from typing import Any, List
-from pydantic import StrictStr, Field
+from pydantic.v1 import StrictStr, Field
 
 {{#lambda.uppercase}}{{{classname}}}{{/lambda.uppercase}}_ANY_OF_SCHEMAS = [{{#anyOf}}"{{.}}"{{^-last}}, {{/-last}}{{/anyOf}}]
 
diff --git a/generator/src/main/resources/python-nextgen-custom-client/model_enum.mustache b/generator/src/main/resources/python-nextgen-custom-client/model_enum.mustache
index 83f0552c7..d9348dc12 100644
--- a/generator/src/main/resources/python-nextgen-custom-client/model_enum.mustache
+++ b/generator/src/main/resources/python-nextgen-custom-client/model_enum.mustache
@@ -4,7 +4,7 @@ import re  # noqa: F401
 from aenum import Enum, no_arg
 {{#vendorExtensions.x-py-datetime-imports}}{{#-first}}from datetime import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-datetime-imports}}
 {{#vendorExtensions.x-py-typing-imports}}{{#-first}}from typing import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-typing-imports}}
-{{#vendorExtensions.x-py-pydantic-imports}}{{#-first}}from pydantic import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-pydantic-imports}}
+{{#vendorExtensions.x-py-pydantic-imports}}{{#-first}}from pydantic.v1 import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-pydantic-imports}}
 
 
 class {{classname}}({{vendorExtensions.x-py-enum-type}}, Enum):
diff --git a/generator/src/main/resources/python-nextgen-custom-client/model_generic.mustache b/generator/src/main/resources/python-nextgen-custom-client/model_generic.mustache
index 7d2b1d25f..448d1fc68 100644
--- a/generator/src/main/resources/python-nextgen-custom-client/model_generic.mustache
+++ b/generator/src/main/resources/python-nextgen-custom-client/model_generic.mustache
@@ -10,7 +10,7 @@ import {{{modelPackage}}}
 
 {{#vendorExtensions.x-py-datetime-imports}}{{#-first}}from datetime import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-datetime-imports}}
 {{#vendorExtensions.x-py-typing-imports}}{{#-first}}from typing import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-typing-imports}}
-{{#vendorExtensions.x-py-pydantic-imports}}{{#-first}}from pydantic import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-pydantic-imports}}
+{{#vendorExtensions.x-py-pydantic-imports}}{{#-first}}from pydantic.v1 import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-pydantic-imports}}
 {{#vendorExtensions.x-py-model-imports}}
 {{{.}}}
 {{/vendorExtensions.x-py-model-imports}}
@@ -147,7 +147,7 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
         {{#isArray}}
         {{^items.isPrimitiveType}}
         {{^items.isEnumOrRef}}
-        # override the default output from pydantic by calling `to_dict()` of each item in {{{name}}} (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in {{{name}}} (list)
         _items = []
         if self.{{{name}}}:
             for _item in self.{{{name}}}:
@@ -160,7 +160,7 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
         {{#isMap}}
         {{^items.isPrimitiveType}}
         {{^items.isEnumOrRef}}
-        # override the default output from pydantic by calling `to_dict()` of each value in {{{name}}} (dict)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each value in {{{name}}} (dict)
         _field_dict = {}
         if self.{{{name}}}:
             for _key in self.{{{name}}}:
@@ -174,7 +174,7 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
         {{^isContainer}}
         {{^isPrimitiveType}}
         {{^isEnumOrRef}}
-        # override the default output from pydantic by calling `to_dict()` of {{{name}}}
+        # override the default output from pydantic.v1 by calling `to_dict()` of {{{name}}}
         if self.{{{name}}}:
             _dict['{{{baseName}}}'] = self.{{{name}}}.to_dict()
         {{/isEnumOrRef}}
diff --git a/generator/src/main/resources/python-nextgen-custom-client/model_oneof.mustache b/generator/src/main/resources/python-nextgen-custom-client/model_oneof.mustache
index 9bba34bad..15f8bdeaf 100644
--- a/generator/src/main/resources/python-nextgen-custom-client/model_oneof.mustache
+++ b/generator/src/main/resources/python-nextgen-custom-client/model_oneof.mustache
@@ -5,12 +5,12 @@ import pprint
 import re  # noqa: F401
 {{#vendorExtensions.x-py-datetime-imports}}{{#-first}}from datetime import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-datetime-imports}}
 {{#vendorExtensions.x-py-typing-imports}}{{#-first}}from typing import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-typing-imports}}
-{{#vendorExtensions.x-py-pydantic-imports}}{{#-first}}from pydantic import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-pydantic-imports}}
+{{#vendorExtensions.x-py-pydantic-imports}}{{#-first}}from pydantic.v1 import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-pydantic-imports}}
 {{#vendorExtensions.x-py-model-imports}}
 {{{.}}}
 {{/vendorExtensions.x-py-model-imports}}
 from typing import Any, List
-from pydantic import StrictStr, Field
+from pydantic.v1 import StrictStr, Field
 
 {{#lambda.uppercase}}{{{classname}}}{{/lambda.uppercase}}_ONE_OF_SCHEMAS = [{{#oneOf}}"{{.}}"{{^-last}}, {{/-last}}{{/oneOf}}]
 
diff --git a/linebot/v3/audience/api/async_manage_audience.py b/linebot/v3/audience/api/async_manage_audience.py
index 865d3b77b..ffe023095 100644
--- a/linebot/v3/audience/api/async_manage_audience.py
+++ b/linebot/v3/audience/api/async_manage_audience.py
@@ -16,11 +16,11 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
-from pydantic import Field, StrictBool, StrictInt, StrictStr, conint
+from pydantic.v1 import Field, StrictBool, StrictInt, StrictStr, conint
 
 from linebot.v3.audience.models.add_audience_to_audience_group_request import AddAudienceToAudienceGroupRequest
 from linebot.v3.audience.models.audience_group_create_route import AudienceGroupCreateRoute
diff --git a/linebot/v3/audience/api/async_manage_audience_blob.py b/linebot/v3/audience/api/async_manage_audience_blob.py
index 81fc3435f..d62761ab4 100644
--- a/linebot/v3/audience/api/async_manage_audience_blob.py
+++ b/linebot/v3/audience/api/async_manage_audience_blob.py
@@ -16,11 +16,11 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
-from pydantic import Field, StrictBool, StrictBytes, StrictInt, StrictStr, constr
+from pydantic.v1 import Field, StrictBool, StrictBytes, StrictInt, StrictStr, constr
 
 from typing import Optional, Union
 
diff --git a/linebot/v3/audience/api/manage_audience.py b/linebot/v3/audience/api/manage_audience.py
index 189d923b0..c3fa9efc5 100644
--- a/linebot/v3/audience/api/manage_audience.py
+++ b/linebot/v3/audience/api/manage_audience.py
@@ -15,10 +15,10 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
-from pydantic import Field, StrictBool, StrictInt, StrictStr, conint
+from pydantic.v1 import Field, StrictBool, StrictInt, StrictStr, conint
 
 from linebot.v3.audience.models.add_audience_to_audience_group_request import AddAudienceToAudienceGroupRequest
 from linebot.v3.audience.models.audience_group_create_route import AudienceGroupCreateRoute
diff --git a/linebot/v3/audience/api/manage_audience_blob.py b/linebot/v3/audience/api/manage_audience_blob.py
index d678c3070..14335a5de 100644
--- a/linebot/v3/audience/api/manage_audience_blob.py
+++ b/linebot/v3/audience/api/manage_audience_blob.py
@@ -15,10 +15,10 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
-from pydantic import Field, StrictBool, StrictBytes, StrictInt, StrictStr, constr
+from pydantic.v1 import Field, StrictBool, StrictBytes, StrictInt, StrictStr, constr
 
 from typing import Optional, Union
 
diff --git a/linebot/v3/audience/api_response.py b/linebot/v3/audience/api_response.py
index d81c2ff58..5cc59478a 100644
--- a/linebot/v3/audience/api_response.py
+++ b/linebot/v3/audience/api_response.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/linebot/v3/audience/models/add_audience_to_audience_group_request.py b/linebot/v3/audience/models/add_audience_to_audience_group_request.py
index 1c908f457..5d6e3941d 100644
--- a/linebot/v3/audience/models/add_audience_to_audience_group_request.py
+++ b/linebot/v3/audience/models/add_audience_to_audience_group_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr, conlist
 from linebot.v3.audience.models.audience import Audience
 
 class AddAudienceToAudienceGroupRequest(BaseModel):
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in audiences (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in audiences (list)
         _items = []
         if self.audiences:
             for _item in self.audiences:
diff --git a/linebot/v3/audience/models/audience.py b/linebot/v3/audience/models/audience.py
index 91e939efb..613350ff0 100644
--- a/linebot/v3/audience/models/audience.py
+++ b/linebot/v3/audience/models/audience.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class Audience(BaseModel):
     """
diff --git a/linebot/v3/audience/models/audience_group.py b/linebot/v3/audience/models/audience_group.py
index 457737bcc..dce160971 100644
--- a/linebot/v3/audience/models/audience_group.py
+++ b/linebot/v3/audience/models/audience_group.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictInt, StrictStr
 from linebot.v3.audience.models.audience_group_create_route import AudienceGroupCreateRoute
 from linebot.v3.audience.models.audience_group_failed_type import AudienceGroupFailedType
 from linebot.v3.audience.models.audience_group_permission import AudienceGroupPermission
diff --git a/linebot/v3/audience/models/audience_group_job.py b/linebot/v3/audience/models/audience_group_job.py
index 355f07b07..5c4ee0f93 100644
--- a/linebot/v3/audience/models/audience_group_job.py
+++ b/linebot/v3/audience/models/audience_group_job.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 from linebot.v3.audience.models.audience_group_job_failed_type import AudienceGroupJobFailedType
 from linebot.v3.audience.models.audience_group_job_status import AudienceGroupJobStatus
 from linebot.v3.audience.models.audience_group_job_type import AudienceGroupJobType
diff --git a/linebot/v3/audience/models/create_audience_group_request.py b/linebot/v3/audience/models/create_audience_group_request.py
index 2c880364c..3d855e668 100644
--- a/linebot/v3/audience/models/create_audience_group_request.py
+++ b/linebot/v3/audience/models/create_audience_group_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, StrictStr, conlist, constr
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr, conlist, constr
 from linebot.v3.audience.models.audience import Audience
 
 class CreateAudienceGroupRequest(BaseModel):
@@ -58,7 +58,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in audiences (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in audiences (list)
         _items = []
         if self.audiences:
             for _item in self.audiences:
diff --git a/linebot/v3/audience/models/create_audience_group_response.py b/linebot/v3/audience/models/create_audience_group_response.py
index 67ccb8614..485fdac22 100644
--- a/linebot/v3/audience/models/create_audience_group_response.py
+++ b/linebot/v3/audience/models/create_audience_group_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional, Union
-from pydantic import BaseModel, Field, StrictBool, StrictFloat, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictFloat, StrictInt, StrictStr, validator
 from linebot.v3.audience.models.audience_group_type import AudienceGroupType
 
 class CreateAudienceGroupResponse(BaseModel):
diff --git a/linebot/v3/audience/models/create_click_based_audience_group_request.py b/linebot/v3/audience/models/create_click_based_audience_group_request.py
index dcc29517e..e758ca59a 100644
--- a/linebot/v3/audience/models/create_click_based_audience_group_request.py
+++ b/linebot/v3/audience/models/create_click_based_audience_group_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr, constr
+from pydantic.v1 import BaseModel, Field, StrictStr, constr
 
 class CreateClickBasedAudienceGroupRequest(BaseModel):
     """
diff --git a/linebot/v3/audience/models/create_click_based_audience_group_response.py b/linebot/v3/audience/models/create_click_based_audience_group_response.py
index 462292a95..0a6e41cc4 100644
--- a/linebot/v3/audience/models/create_click_based_audience_group_response.py
+++ b/linebot/v3/audience/models/create_click_based_audience_group_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictInt, StrictStr, validator
 from linebot.v3.audience.models.audience_group_type import AudienceGroupType
 
 class CreateClickBasedAudienceGroupResponse(BaseModel):
diff --git a/linebot/v3/audience/models/create_imp_based_audience_group_request.py b/linebot/v3/audience/models/create_imp_based_audience_group_request.py
index b0b818e66..f0262465f 100644
--- a/linebot/v3/audience/models/create_imp_based_audience_group_request.py
+++ b/linebot/v3/audience/models/create_imp_based_audience_group_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr, constr
+from pydantic.v1 import BaseModel, Field, StrictStr, constr
 
 class CreateImpBasedAudienceGroupRequest(BaseModel):
     """
diff --git a/linebot/v3/audience/models/create_imp_based_audience_group_response.py b/linebot/v3/audience/models/create_imp_based_audience_group_response.py
index da89817ad..bdd8d1fd0 100644
--- a/linebot/v3/audience/models/create_imp_based_audience_group_response.py
+++ b/linebot/v3/audience/models/create_imp_based_audience_group_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 from linebot.v3.audience.models.audience_group_type import AudienceGroupType
 
 class CreateImpBasedAudienceGroupResponse(BaseModel):
diff --git a/linebot/v3/audience/models/error_detail.py b/linebot/v3/audience/models/error_detail.py
index 3cd416562..d36626e4d 100644
--- a/linebot/v3/audience/models/error_detail.py
+++ b/linebot/v3/audience/models/error_detail.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ErrorDetail(BaseModel):
     """
diff --git a/linebot/v3/audience/models/error_response.py b/linebot/v3/audience/models/error_response.py
index 3ec529223..bb4e17936 100644
--- a/linebot/v3/audience/models/error_response.py
+++ b/linebot/v3/audience/models/error_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.audience.models.error_detail import ErrorDetail
 
 class ErrorResponse(BaseModel):
@@ -56,7 +56,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in details (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in details (list)
         _items = []
         if self.details:
             for _item in self.details:
diff --git a/linebot/v3/audience/models/get_audience_data_response.py b/linebot/v3/audience/models/get_audience_data_response.py
index 9dbc4f705..81b9d962f 100644
--- a/linebot/v3/audience/models/get_audience_data_response.py
+++ b/linebot/v3/audience/models/get_audience_data_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.audience.models.audience_group import AudienceGroup
 from linebot.v3.audience.models.audience_group_job import AudienceGroupJob
 
@@ -57,10 +57,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of audience_group
+        # override the default output from pydantic.v1 by calling `to_dict()` of audience_group
         if self.audience_group:
             _dict['audienceGroup'] = self.audience_group.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in jobs (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in jobs (list)
         _items = []
         if self.jobs:
             for _item in self.jobs:
diff --git a/linebot/v3/audience/models/get_audience_group_authority_level_response.py b/linebot/v3/audience/models/get_audience_group_authority_level_response.py
index 802bc2fa0..0f45127a4 100644
--- a/linebot/v3/audience/models/get_audience_group_authority_level_response.py
+++ b/linebot/v3/audience/models/get_audience_group_authority_level_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field
+from pydantic.v1 import BaseModel, Field
 from linebot.v3.audience.models.audience_group_authority_level import AudienceGroupAuthorityLevel
 
 class GetAudienceGroupAuthorityLevelResponse(BaseModel):
diff --git a/linebot/v3/audience/models/get_audience_groups_response.py b/linebot/v3/audience/models/get_audience_groups_response.py
index b33cdb4fb..a4ff35bfc 100644
--- a/linebot/v3/audience/models/get_audience_groups_response.py
+++ b/linebot/v3/audience/models/get_audience_groups_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, StrictInt, conlist
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictInt, conlist
 from linebot.v3.audience.models.audience_group import AudienceGroup
 
 class GetAudienceGroupsResponse(BaseModel):
@@ -60,7 +60,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in audience_groups (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in audience_groups (list)
         _items = []
         if self.audience_groups:
             for _item in self.audience_groups:
diff --git a/linebot/v3/audience/models/update_audience_group_authority_level_request.py b/linebot/v3/audience/models/update_audience_group_authority_level_request.py
index a61d8fafe..c7bc22d1d 100644
--- a/linebot/v3/audience/models/update_audience_group_authority_level_request.py
+++ b/linebot/v3/audience/models/update_audience_group_authority_level_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field
+from pydantic.v1 import BaseModel, Field
 from linebot.v3.audience.models.audience_group_authority_level import AudienceGroupAuthorityLevel
 
 class UpdateAudienceGroupAuthorityLevelRequest(BaseModel):
diff --git a/linebot/v3/audience/models/update_audience_group_description_request.py b/linebot/v3/audience/models/update_audience_group_description_request.py
index f1a7cdbb1..5f30375f9 100644
--- a/linebot/v3/audience/models/update_audience_group_description_request.py
+++ b/linebot/v3/audience/models/update_audience_group_description_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, constr
+from pydantic.v1 import BaseModel, Field, constr
 
 class UpdateAudienceGroupDescriptionRequest(BaseModel):
     """
diff --git a/linebot/v3/insight/api/async_insight.py b/linebot/v3/insight/api/async_insight.py
index 5aba89104..0a74ac31f 100644
--- a/linebot/v3/insight/api/async_insight.py
+++ b/linebot/v3/insight/api/async_insight.py
@@ -16,11 +16,11 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
-from pydantic import Field, constr, validator
+from pydantic.v1 import Field, constr, validator
 
 from typing import Optional
 
diff --git a/linebot/v3/insight/api/insight.py b/linebot/v3/insight/api/insight.py
index 983e7ceeb..7cb1f70fe 100644
--- a/linebot/v3/insight/api/insight.py
+++ b/linebot/v3/insight/api/insight.py
@@ -15,10 +15,10 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
-from pydantic import Field, constr, validator
+from pydantic.v1 import Field, constr, validator
 
 from typing import Optional
 
diff --git a/linebot/v3/insight/api_response.py b/linebot/v3/insight/api_response.py
index d81c2ff58..5cc59478a 100644
--- a/linebot/v3/insight/api_response.py
+++ b/linebot/v3/insight/api_response.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/linebot/v3/insight/models/age_tile.py b/linebot/v3/insight/models/age_tile.py
index e7e69a4f3..9378cc811 100644
--- a/linebot/v3/insight/models/age_tile.py
+++ b/linebot/v3/insight/models/age_tile.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional, Union
-from pydantic import BaseModel, Field, StrictFloat, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictFloat, StrictInt, StrictStr, validator
 
 class AgeTile(BaseModel):
     """
diff --git a/linebot/v3/insight/models/app_type_tile.py b/linebot/v3/insight/models/app_type_tile.py
index 20ee81467..45f2e5c14 100644
--- a/linebot/v3/insight/models/app_type_tile.py
+++ b/linebot/v3/insight/models/app_type_tile.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional, Union
-from pydantic import BaseModel, Field, StrictFloat, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictFloat, StrictInt, StrictStr, validator
 
 class AppTypeTile(BaseModel):
     """
diff --git a/linebot/v3/insight/models/area_tile.py b/linebot/v3/insight/models/area_tile.py
index a20bd9d32..ddc930374 100644
--- a/linebot/v3/insight/models/area_tile.py
+++ b/linebot/v3/insight/models/area_tile.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional, Union
-from pydantic import BaseModel, Field, StrictFloat, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictFloat, StrictInt, StrictStr
 
 class AreaTile(BaseModel):
     """
diff --git a/linebot/v3/insight/models/error_detail.py b/linebot/v3/insight/models/error_detail.py
index 21c63f8a5..badd22c53 100644
--- a/linebot/v3/insight/models/error_detail.py
+++ b/linebot/v3/insight/models/error_detail.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ErrorDetail(BaseModel):
     """
diff --git a/linebot/v3/insight/models/error_response.py b/linebot/v3/insight/models/error_response.py
index 2d3352b26..5a80e17c0 100644
--- a/linebot/v3/insight/models/error_response.py
+++ b/linebot/v3/insight/models/error_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.insight.models.error_detail import ErrorDetail
 
 class ErrorResponse(BaseModel):
@@ -56,7 +56,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in details (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in details (list)
         _items = []
         if self.details:
             for _item in self.details:
diff --git a/linebot/v3/insight/models/gender_tile.py b/linebot/v3/insight/models/gender_tile.py
index f4a0f68e5..ea18a0c91 100644
--- a/linebot/v3/insight/models/gender_tile.py
+++ b/linebot/v3/insight/models/gender_tile.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional, Union
-from pydantic import BaseModel, Field, StrictFloat, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictFloat, StrictInt, StrictStr, validator
 
 class GenderTile(BaseModel):
     """
diff --git a/linebot/v3/insight/models/get_friends_demographics_response.py b/linebot/v3/insight/models/get_friends_demographics_response.py
index 8f1906640..eafcc5120 100644
--- a/linebot/v3/insight/models/get_friends_demographics_response.py
+++ b/linebot/v3/insight/models/get_friends_demographics_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, conlist
+from pydantic.v1 import BaseModel, Field, StrictBool, conlist
 from linebot.v3.insight.models.age_tile import AgeTile
 from linebot.v3.insight.models.app_type_tile import AppTypeTile
 from linebot.v3.insight.models.area_tile import AreaTile
@@ -64,35 +64,35 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in genders (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in genders (list)
         _items = []
         if self.genders:
             for _item in self.genders:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['genders'] = _items
-        # override the default output from pydantic by calling `to_dict()` of each item in ages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in ages (list)
         _items = []
         if self.ages:
             for _item in self.ages:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['ages'] = _items
-        # override the default output from pydantic by calling `to_dict()` of each item in areas (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in areas (list)
         _items = []
         if self.areas:
             for _item in self.areas:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['areas'] = _items
-        # override the default output from pydantic by calling `to_dict()` of each item in app_types (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in app_types (list)
         _items = []
         if self.app_types:
             for _item in self.app_types:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['appTypes'] = _items
-        # override the default output from pydantic by calling `to_dict()` of each item in subscription_periods (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in subscription_periods (list)
         _items = []
         if self.subscription_periods:
             for _item in self.subscription_periods:
diff --git a/linebot/v3/insight/models/get_message_event_response.py b/linebot/v3/insight/models/get_message_event_response.py
index 228098434..f9cf41f4e 100644
--- a/linebot/v3/insight/models/get_message_event_response.py
+++ b/linebot/v3/insight/models/get_message_event_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.insight.models.get_message_event_response_click import GetMessageEventResponseClick
 from linebot.v3.insight.models.get_message_event_response_message import GetMessageEventResponseMessage
 from linebot.v3.insight.models.get_message_event_response_overview import GetMessageEventResponseOverview
@@ -59,17 +59,17 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of overview
+        # override the default output from pydantic.v1 by calling `to_dict()` of overview
         if self.overview:
             _dict['overview'] = self.overview.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['messages'] = _items
-        # override the default output from pydantic by calling `to_dict()` of each item in clicks (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in clicks (list)
         _items = []
         if self.clicks:
             for _item in self.clicks:
diff --git a/linebot/v3/insight/models/get_message_event_response_click.py b/linebot/v3/insight/models/get_message_event_response_click.py
index 0c57c20b9..3fd0866fc 100644
--- a/linebot/v3/insight/models/get_message_event_response_click.py
+++ b/linebot/v3/insight/models/get_message_event_response_click.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class GetMessageEventResponseClick(BaseModel):
     """
diff --git a/linebot/v3/insight/models/get_message_event_response_message.py b/linebot/v3/insight/models/get_message_event_response_message.py
index 675bfe740..a6227c615 100644
--- a/linebot/v3/insight/models/get_message_event_response_message.py
+++ b/linebot/v3/insight/models/get_message_event_response_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 
 class GetMessageEventResponseMessage(BaseModel):
     """
diff --git a/linebot/v3/insight/models/get_message_event_response_overview.py b/linebot/v3/insight/models/get_message_event_response_overview.py
index 0533f21dd..477293f5b 100644
--- a/linebot/v3/insight/models/get_message_event_response_overview.py
+++ b/linebot/v3/insight/models/get_message_event_response_overview.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class GetMessageEventResponseOverview(BaseModel):
     """
diff --git a/linebot/v3/insight/models/get_number_of_followers_response.py b/linebot/v3/insight/models/get_number_of_followers_response.py
index c3eeb967d..8673a4985 100644
--- a/linebot/v3/insight/models/get_number_of_followers_response.py
+++ b/linebot/v3/insight/models/get_number_of_followers_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr, validator
 
 class GetNumberOfFollowersResponse(BaseModel):
     """
diff --git a/linebot/v3/insight/models/get_number_of_message_deliveries_response.py b/linebot/v3/insight/models/get_number_of_message_deliveries_response.py
index 4151d3254..2db0a2ea5 100644
--- a/linebot/v3/insight/models/get_number_of_message_deliveries_response.py
+++ b/linebot/v3/insight/models/get_number_of_message_deliveries_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr, validator
 
 class GetNumberOfMessageDeliveriesResponse(BaseModel):
     """
diff --git a/linebot/v3/insight/models/get_statistics_per_unit_response.py b/linebot/v3/insight/models/get_statistics_per_unit_response.py
index 189e9392c..4032cb178 100644
--- a/linebot/v3/insight/models/get_statistics_per_unit_response.py
+++ b/linebot/v3/insight/models/get_statistics_per_unit_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.insight.models.get_statistics_per_unit_response_click import GetStatisticsPerUnitResponseClick
 from linebot.v3.insight.models.get_statistics_per_unit_response_message import GetStatisticsPerUnitResponseMessage
 from linebot.v3.insight.models.get_statistics_per_unit_response_overview import GetStatisticsPerUnitResponseOverview
@@ -59,17 +59,17 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of overview
+        # override the default output from pydantic.v1 by calling `to_dict()` of overview
         if self.overview:
             _dict['overview'] = self.overview.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['messages'] = _items
-        # override the default output from pydantic by calling `to_dict()` of each item in clicks (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in clicks (list)
         _items = []
         if self.clicks:
             for _item in self.clicks:
diff --git a/linebot/v3/insight/models/get_statistics_per_unit_response_click.py b/linebot/v3/insight/models/get_statistics_per_unit_response_click.py
index 71b412aba..6b5eb445b 100644
--- a/linebot/v3/insight/models/get_statistics_per_unit_response_click.py
+++ b/linebot/v3/insight/models/get_statistics_per_unit_response_click.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class GetStatisticsPerUnitResponseClick(BaseModel):
     """
diff --git a/linebot/v3/insight/models/get_statistics_per_unit_response_message.py b/linebot/v3/insight/models/get_statistics_per_unit_response_message.py
index 626b71afd..b766d42e8 100644
--- a/linebot/v3/insight/models/get_statistics_per_unit_response_message.py
+++ b/linebot/v3/insight/models/get_statistics_per_unit_response_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 
 class GetStatisticsPerUnitResponseMessage(BaseModel):
     """
diff --git a/linebot/v3/insight/models/get_statistics_per_unit_response_overview.py b/linebot/v3/insight/models/get_statistics_per_unit_response_overview.py
index 033de633c..8dead06a2 100644
--- a/linebot/v3/insight/models/get_statistics_per_unit_response_overview.py
+++ b/linebot/v3/insight/models/get_statistics_per_unit_response_overview.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 
 class GetStatisticsPerUnitResponseOverview(BaseModel):
     """
diff --git a/linebot/v3/insight/models/subscription_period_tile.py b/linebot/v3/insight/models/subscription_period_tile.py
index d892c6050..2106cb359 100644
--- a/linebot/v3/insight/models/subscription_period_tile.py
+++ b/linebot/v3/insight/models/subscription_period_tile.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional, Union
-from pydantic import BaseModel, Field, StrictFloat, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictFloat, StrictInt, StrictStr, validator
 
 class SubscriptionPeriodTile(BaseModel):
     """
diff --git a/linebot/v3/liff/api/async_liff.py b/linebot/v3/liff/api/async_liff.py
index d06be1163..611a77d4c 100644
--- a/linebot/v3/liff/api/async_liff.py
+++ b/linebot/v3/liff/api/async_liff.py
@@ -16,11 +16,11 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
-from pydantic import Field, StrictStr
+from pydantic.v1 import Field, StrictStr
 
 from linebot.v3.liff.models.add_liff_app_request import AddLiffAppRequest
 from linebot.v3.liff.models.add_liff_app_response import AddLiffAppResponse
diff --git a/linebot/v3/liff/api/liff.py b/linebot/v3/liff/api/liff.py
index 6a5309052..00139da00 100644
--- a/linebot/v3/liff/api/liff.py
+++ b/linebot/v3/liff/api/liff.py
@@ -15,10 +15,10 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
-from pydantic import Field, StrictStr
+from pydantic.v1 import Field, StrictStr
 
 from linebot.v3.liff.models.add_liff_app_request import AddLiffAppRequest
 from linebot.v3.liff.models.add_liff_app_response import AddLiffAppResponse
diff --git a/linebot/v3/liff/api_response.py b/linebot/v3/liff/api_response.py
index d81c2ff58..5cc59478a 100644
--- a/linebot/v3/liff/api_response.py
+++ b/linebot/v3/liff/api_response.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/linebot/v3/liff/models/add_liff_app_request.py b/linebot/v3/liff/models/add_liff_app_request.py
index f1b446892..0004cad2b 100644
--- a/linebot/v3/liff/models/add_liff_app_request.py
+++ b/linebot/v3/liff/models/add_liff_app_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.liff.models.liff_bot_prompt import LiffBotPrompt
 from linebot.v3.liff.models.liff_features import LiffFeatures
 from linebot.v3.liff.models.liff_scope import LiffScope
@@ -63,10 +63,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of view
+        # override the default output from pydantic.v1 by calling `to_dict()` of view
         if self.view:
             _dict['view'] = self.view.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of features
+        # override the default output from pydantic.v1 by calling `to_dict()` of features
         if self.features:
             _dict['features'] = self.features.to_dict()
         return _dict
diff --git a/linebot/v3/liff/models/add_liff_app_response.py b/linebot/v3/liff/models/add_liff_app_response.py
index fc69f9161..215335396 100644
--- a/linebot/v3/liff/models/add_liff_app_response.py
+++ b/linebot/v3/liff/models/add_liff_app_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class AddLiffAppResponse(BaseModel):
     """
diff --git a/linebot/v3/liff/models/get_all_liff_apps_response.py b/linebot/v3/liff/models/get_all_liff_apps_response.py
index 4104f9626..4fb446ad2 100644
--- a/linebot/v3/liff/models/get_all_liff_apps_response.py
+++ b/linebot/v3/liff/models/get_all_liff_apps_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, conlist
+from pydantic.v1 import BaseModel, conlist
 from linebot.v3.liff.models.liff_app import LiffApp
 
 class GetAllLiffAppsResponse(BaseModel):
@@ -54,7 +54,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in apps (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in apps (list)
         _items = []
         if self.apps:
             for _item in self.apps:
diff --git a/linebot/v3/liff/models/liff_app.py b/linebot/v3/liff/models/liff_app.py
index 528a22826..693c98e03 100644
--- a/linebot/v3/liff/models/liff_app.py
+++ b/linebot/v3/liff/models/liff_app.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.liff.models.liff_bot_prompt import LiffBotPrompt
 from linebot.v3.liff.models.liff_features import LiffFeatures
 from linebot.v3.liff.models.liff_scope import LiffScope
@@ -63,10 +63,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of view
+        # override the default output from pydantic.v1 by calling `to_dict()` of view
         if self.view:
             _dict['view'] = self.view.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of features
+        # override the default output from pydantic.v1 by calling `to_dict()` of features
         if self.features:
             _dict['features'] = self.features.to_dict()
         return _dict
diff --git a/linebot/v3/liff/models/liff_features.py b/linebot/v3/liff/models/liff_features.py
index 8372d68a8..b12666969 100644
--- a/linebot/v3/liff/models/liff_features.py
+++ b/linebot/v3/liff/models/liff_features.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool
+from pydantic.v1 import BaseModel, Field, StrictBool
 
 class LiffFeatures(BaseModel):
     """
diff --git a/linebot/v3/liff/models/liff_view.py b/linebot/v3/liff/models/liff_view.py
index 40f894f7e..761986c92 100644
--- a/linebot/v3/liff/models/liff_view.py
+++ b/linebot/v3/liff/models/liff_view.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr, validator
 
 class LiffView(BaseModel):
     """
diff --git a/linebot/v3/liff/models/update_liff_app_request.py b/linebot/v3/liff/models/update_liff_app_request.py
index e41269f95..88f676eb3 100644
--- a/linebot/v3/liff/models/update_liff_app_request.py
+++ b/linebot/v3/liff/models/update_liff_app_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.liff.models.liff_bot_prompt import LiffBotPrompt
 from linebot.v3.liff.models.liff_features import LiffFeatures
 from linebot.v3.liff.models.liff_scope import LiffScope
@@ -63,10 +63,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of view
+        # override the default output from pydantic.v1 by calling `to_dict()` of view
         if self.view:
             _dict['view'] = self.view.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of features
+        # override the default output from pydantic.v1 by calling `to_dict()` of features
         if self.features:
             _dict['features'] = self.features.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/api/async_messaging_api.py b/linebot/v3/messaging/api/async_messaging_api.py
index fa29b8f0c..e74f51541 100644
--- a/linebot/v3/messaging/api/async_messaging_api.py
+++ b/linebot/v3/messaging/api/async_messaging_api.py
@@ -16,11 +16,11 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
-from pydantic import Field, StrictStr, conint, constr, validator
+from pydantic.v1 import Field, StrictStr, conint, constr, validator
 
 from typing import Optional
 
diff --git a/linebot/v3/messaging/api/async_messaging_api_blob.py b/linebot/v3/messaging/api/async_messaging_api_blob.py
index c6b0c99d7..8154e4134 100644
--- a/linebot/v3/messaging/api/async_messaging_api_blob.py
+++ b/linebot/v3/messaging/api/async_messaging_api_blob.py
@@ -16,11 +16,11 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
-from pydantic import Field, StrictBytes, StrictStr
+from pydantic.v1 import Field, StrictBytes, StrictStr
 
 from typing import Optional, Union
 
diff --git a/linebot/v3/messaging/api/messaging_api.py b/linebot/v3/messaging/api/messaging_api.py
index 93ee973a8..b9fbc285a 100644
--- a/linebot/v3/messaging/api/messaging_api.py
+++ b/linebot/v3/messaging/api/messaging_api.py
@@ -15,10 +15,10 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
-from pydantic import Field, StrictStr, conint, constr, validator
+from pydantic.v1 import Field, StrictStr, conint, constr, validator
 
 from typing import Optional
 
diff --git a/linebot/v3/messaging/api/messaging_api_blob.py b/linebot/v3/messaging/api/messaging_api_blob.py
index 1d9ea4e3c..d30dc25a6 100644
--- a/linebot/v3/messaging/api/messaging_api_blob.py
+++ b/linebot/v3/messaging/api/messaging_api_blob.py
@@ -15,10 +15,10 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
-from pydantic import Field, StrictBytes, StrictStr
+from pydantic.v1 import Field, StrictBytes, StrictStr
 
 from typing import Optional, Union
 
diff --git a/linebot/v3/messaging/api_response.py b/linebot/v3/messaging/api_response.py
index d81c2ff58..5cc59478a 100644
--- a/linebot/v3/messaging/api_response.py
+++ b/linebot/v3/messaging/api_response.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/linebot/v3/messaging/models/action.py b/linebot/v3/messaging/models/action.py
index 39a0207c6..8a9ffa7c8 100644
--- a/linebot/v3/messaging/models/action.py
+++ b/linebot/v3/messaging/models/action.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class Action(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/age_demographic_filter.py b/linebot/v3/messaging/models/age_demographic_filter.py
index 1adaf27fa..a5f2a344b 100644
--- a/linebot/v3/messaging/models/age_demographic_filter.py
+++ b/linebot/v3/messaging/models/age_demographic_filter.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.messaging.models.age_demographic import AgeDemographic
 from linebot.v3.messaging.models.demographic_filter import DemographicFilter
 
diff --git a/linebot/v3/messaging/models/alt_uri.py b/linebot/v3/messaging/models/alt_uri.py
index 0e6843baf..028a9920c 100644
--- a/linebot/v3/messaging/models/alt_uri.py
+++ b/linebot/v3/messaging/models/alt_uri.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, constr
+from pydantic.v1 import BaseModel, constr
 
 class AltUri(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/app_type_demographic_filter.py b/linebot/v3/messaging/models/app_type_demographic_filter.py
index 37f0bf6dc..65c283215 100644
--- a/linebot/v3/messaging/models/app_type_demographic_filter.py
+++ b/linebot/v3/messaging/models/app_type_demographic_filter.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.messaging.models.app_type_demographic import AppTypeDemographic
 from linebot.v3.messaging.models.demographic_filter import DemographicFilter
 
diff --git a/linebot/v3/messaging/models/area_demographic_filter.py b/linebot/v3/messaging/models/area_demographic_filter.py
index 0ae07d39e..41ed8126b 100644
--- a/linebot/v3/messaging/models/area_demographic_filter.py
+++ b/linebot/v3/messaging/models/area_demographic_filter.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.messaging.models.area_demographic import AreaDemographic
 from linebot.v3.messaging.models.demographic_filter import DemographicFilter
 
diff --git a/linebot/v3/messaging/models/audience_match_messages_request.py b/linebot/v3/messaging/models/audience_match_messages_request.py
index 190785ba0..f7927c2b5 100644
--- a/linebot/v3/messaging/models/audience_match_messages_request.py
+++ b/linebot/v3/messaging/models/audience_match_messages_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr, conlist
 from linebot.v3.messaging.models.message import Message
 
 class AudienceMatchMessagesRequest(BaseModel):
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
diff --git a/linebot/v3/messaging/models/audience_recipient.py b/linebot/v3/messaging/models/audience_recipient.py
index bdc94df50..8fb2a15fa 100644
--- a/linebot/v3/messaging/models/audience_recipient.py
+++ b/linebot/v3/messaging/models/audience_recipient.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 from linebot.v3.messaging.models.recipient import Recipient
 
 class AudienceRecipient(Recipient):
diff --git a/linebot/v3/messaging/models/audio_message.py b/linebot/v3/messaging/models/audio_message.py
index 1fc351534..788275971 100644
--- a/linebot/v3/messaging/models/audio_message.py
+++ b/linebot/v3/messaging/models/audio_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 from linebot.v3.messaging.models.message import Message
 from linebot.v3.messaging.models.quick_reply import QuickReply
 from linebot.v3.messaging.models.sender import Sender
@@ -58,10 +58,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/bot_info_response.py b/linebot/v3/messaging/models/bot_info_response.py
index 494cc12b3..9035aeed9 100644
--- a/linebot/v3/messaging/models/bot_info_response.py
+++ b/linebot/v3/messaging/models/bot_info_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, validator
 
 class BotInfoResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/broadcast_request.py b/linebot/v3/messaging/models/broadcast_request.py
index 18b1fde9b..cf5feb984 100644
--- a/linebot/v3/messaging/models/broadcast_request.py
+++ b/linebot/v3/messaging/models/broadcast_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, conlist
+from pydantic.v1 import BaseModel, Field, StrictBool, conlist
 from linebot.v3.messaging.models.message import Message
 
 class BroadcastRequest(BaseModel):
@@ -56,7 +56,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
diff --git a/linebot/v3/messaging/models/buttons_template.py b/linebot/v3/messaging/models/buttons_template.py
index bc52dbc06..99da9aec3 100644
--- a/linebot/v3/messaging/models/buttons_template.py
+++ b/linebot/v3/messaging/models/buttons_template.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.template import Template
 
@@ -63,10 +63,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of default_action
+        # override the default output from pydantic.v1 by calling `to_dict()` of default_action
         if self.default_action:
             _dict['defaultAction'] = self.default_action.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in actions (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in actions (list)
         _items = []
         if self.actions:
             for _item in self.actions:
diff --git a/linebot/v3/messaging/models/camera_action.py b/linebot/v3/messaging/models/camera_action.py
index 5e9dbcc57..8bfda9247 100644
--- a/linebot/v3/messaging/models/camera_action.py
+++ b/linebot/v3/messaging/models/camera_action.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.messaging.models.action import Action
 
 class CameraAction(Action):
diff --git a/linebot/v3/messaging/models/camera_roll_action.py b/linebot/v3/messaging/models/camera_roll_action.py
index 9fdb34551..523c8813d 100644
--- a/linebot/v3/messaging/models/camera_roll_action.py
+++ b/linebot/v3/messaging/models/camera_roll_action.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.messaging.models.action import Action
 
 class CameraRollAction(Action):
diff --git a/linebot/v3/messaging/models/carousel_column.py b/linebot/v3/messaging/models/carousel_column.py
index f8e1b199d..fb78867f2 100644
--- a/linebot/v3/messaging/models/carousel_column.py
+++ b/linebot/v3/messaging/models/carousel_column.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.messaging.models.action import Action
 
 class CarouselColumn(BaseModel):
@@ -59,10 +59,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of default_action
+        # override the default output from pydantic.v1 by calling `to_dict()` of default_action
         if self.default_action:
             _dict['defaultAction'] = self.default_action.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in actions (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in actions (list)
         _items = []
         if self.actions:
             for _item in self.actions:
diff --git a/linebot/v3/messaging/models/carousel_template.py b/linebot/v3/messaging/models/carousel_template.py
index 236ebfd47..77a794b2f 100644
--- a/linebot/v3/messaging/models/carousel_template.py
+++ b/linebot/v3/messaging/models/carousel_template.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.messaging.models.carousel_column import CarouselColumn
 from linebot.v3.messaging.models.template import Template
 
@@ -58,7 +58,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in columns (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in columns (list)
         _items = []
         if self.columns:
             for _item in self.columns:
diff --git a/linebot/v3/messaging/models/chat_reference.py b/linebot/v3/messaging/models/chat_reference.py
index bd869293b..35a0ae3eb 100644
--- a/linebot/v3/messaging/models/chat_reference.py
+++ b/linebot/v3/messaging/models/chat_reference.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ChatReference(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/confirm_template.py b/linebot/v3/messaging/models/confirm_template.py
index f5846569a..2e517c63d 100644
--- a/linebot/v3/messaging/models/confirm_template.py
+++ b/linebot/v3/messaging/models/confirm_template.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, StrictStr, conlist
+from pydantic.v1 import BaseModel, StrictStr, conlist
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.template import Template
 
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in actions (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in actions (list)
         _items = []
         if self.actions:
             for _item in self.actions:
diff --git a/linebot/v3/messaging/models/create_rich_menu_alias_request.py b/linebot/v3/messaging/models/create_rich_menu_alias_request.py
index 92e1bad47..1b5d6966b 100644
--- a/linebot/v3/messaging/models/create_rich_menu_alias_request.py
+++ b/linebot/v3/messaging/models/create_rich_menu_alias_request.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr, constr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, constr, validator
 
 class CreateRichMenuAliasRequest(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/datetime_picker_action.py b/linebot/v3/messaging/models/datetime_picker_action.py
index e6eda55cf..b70433bd8 100644
--- a/linebot/v3/messaging/models/datetime_picker_action.py
+++ b/linebot/v3/messaging/models/datetime_picker_action.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, StrictStr, constr, validator
+from pydantic.v1 import BaseModel, StrictStr, constr, validator
 from linebot.v3.messaging.models.action import Action
 
 class DatetimePickerAction(Action):
diff --git a/linebot/v3/messaging/models/demographic_filter.py b/linebot/v3/messaging/models/demographic_filter.py
index 30b80e6f6..d07550de9 100644
--- a/linebot/v3/messaging/models/demographic_filter.py
+++ b/linebot/v3/messaging/models/demographic_filter.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class DemographicFilter(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/emoji.py b/linebot/v3/messaging/models/emoji.py
index 1e39fbd5b..f13beef81 100644
--- a/linebot/v3/messaging/models/emoji.py
+++ b/linebot/v3/messaging/models/emoji.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class Emoji(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/error_detail.py b/linebot/v3/messaging/models/error_detail.py
index 3cd416562..d36626e4d 100644
--- a/linebot/v3/messaging/models/error_detail.py
+++ b/linebot/v3/messaging/models/error_detail.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ErrorDetail(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/error_response.py b/linebot/v3/messaging/models/error_response.py
index 40c247012..4e7737788 100644
--- a/linebot/v3/messaging/models/error_response.py
+++ b/linebot/v3/messaging/models/error_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.messaging.models.error_detail import ErrorDetail
 
 class ErrorResponse(BaseModel):
@@ -56,7 +56,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in details (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in details (list)
         _items = []
         if self.details:
             for _item in self.details:
diff --git a/linebot/v3/messaging/models/filter.py b/linebot/v3/messaging/models/filter.py
index 9e3521548..3bbdc0828 100644
--- a/linebot/v3/messaging/models/filter.py
+++ b/linebot/v3/messaging/models/filter.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.messaging.models.demographic_filter import DemographicFilter
 
 class Filter(BaseModel):
@@ -54,7 +54,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of demographic
+        # override the default output from pydantic.v1 by calling `to_dict()` of demographic
         if self.demographic:
             _dict['demographic'] = self.demographic.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/flex_block_style.py b/linebot/v3/messaging/models/flex_block_style.py
index 08b30814a..de738cf33 100644
--- a/linebot/v3/messaging/models/flex_block_style.py
+++ b/linebot/v3/messaging/models/flex_block_style.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr
 
 class FlexBlockStyle(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/flex_box.py b/linebot/v3/messaging/models/flex_box.py
index 8ec725dd7..3955a2a55 100644
--- a/linebot/v3/messaging/models/flex_box.py
+++ b/linebot/v3/messaging/models/flex_box.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr, conlist, validator
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr, conlist, validator
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.flex_box_background import FlexBoxBackground
 from linebot.v3.messaging.models.flex_component import FlexComponent
@@ -123,17 +123,17 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in contents (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in contents (list)
         _items = []
         if self.contents:
             for _item in self.contents:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['contents'] = _items
-        # override the default output from pydantic by calling `to_dict()` of action
+        # override the default output from pydantic.v1 by calling `to_dict()` of action
         if self.action:
             _dict['action'] = self.action.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of background
+        # override the default output from pydantic.v1 by calling `to_dict()` of background
         if self.background:
             _dict['background'] = self.background.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/flex_box_background.py b/linebot/v3/messaging/models/flex_box_background.py
index a42d3ca6f..017b06fb5 100644
--- a/linebot/v3/messaging/models/flex_box_background.py
+++ b/linebot/v3/messaging/models/flex_box_background.py
@@ -20,7 +20,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class FlexBoxBackground(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/flex_box_linear_gradient.py b/linebot/v3/messaging/models/flex_box_linear_gradient.py
index 0fd410112..a0c120817 100644
--- a/linebot/v3/messaging/models/flex_box_linear_gradient.py
+++ b/linebot/v3/messaging/models/flex_box_linear_gradient.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.flex_box_background import FlexBoxBackground
 
 class FlexBoxLinearGradient(FlexBoxBackground):
diff --git a/linebot/v3/messaging/models/flex_bubble.py b/linebot/v3/messaging/models/flex_bubble.py
index 21b0cbcee..250c725ac 100644
--- a/linebot/v3/messaging/models/flex_bubble.py
+++ b/linebot/v3/messaging/models/flex_bubble.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, StrictStr, validator
+from pydantic.v1 import BaseModel, StrictStr, validator
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.flex_box import FlexBox
 from linebot.v3.messaging.models.flex_bubble_styles import FlexBubbleStyles
@@ -86,22 +86,22 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of styles
+        # override the default output from pydantic.v1 by calling `to_dict()` of styles
         if self.styles:
             _dict['styles'] = self.styles.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of header
+        # override the default output from pydantic.v1 by calling `to_dict()` of header
         if self.header:
             _dict['header'] = self.header.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of hero
+        # override the default output from pydantic.v1 by calling `to_dict()` of hero
         if self.hero:
             _dict['hero'] = self.hero.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of body
+        # override the default output from pydantic.v1 by calling `to_dict()` of body
         if self.body:
             _dict['body'] = self.body.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of footer
+        # override the default output from pydantic.v1 by calling `to_dict()` of footer
         if self.footer:
             _dict['footer'] = self.footer.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of action
+        # override the default output from pydantic.v1 by calling `to_dict()` of action
         if self.action:
             _dict['action'] = self.action.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/flex_bubble_styles.py b/linebot/v3/messaging/models/flex_bubble_styles.py
index f8a289888..e66d10d8b 100644
--- a/linebot/v3/messaging/models/flex_bubble_styles.py
+++ b/linebot/v3/messaging/models/flex_bubble_styles.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.messaging.models.flex_block_style import FlexBlockStyle
 
 class FlexBubbleStyles(BaseModel):
@@ -57,16 +57,16 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of header
+        # override the default output from pydantic.v1 by calling `to_dict()` of header
         if self.header:
             _dict['header'] = self.header.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of hero
+        # override the default output from pydantic.v1 by calling `to_dict()` of hero
         if self.hero:
             _dict['hero'] = self.hero.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of body
+        # override the default output from pydantic.v1 by calling `to_dict()` of body
         if self.body:
             _dict['body'] = self.body.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of footer
+        # override the default output from pydantic.v1 by calling `to_dict()` of footer
         if self.footer:
             _dict['footer'] = self.footer.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/flex_button.py b/linebot/v3/messaging/models/flex_button.py
index 2cc03543c..04fadb63b 100644
--- a/linebot/v3/messaging/models/flex_button.py
+++ b/linebot/v3/messaging/models/flex_button.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictInt, StrictStr, validator
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.flex_component import FlexComponent
 
@@ -119,7 +119,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of action
+        # override the default output from pydantic.v1 by calling `to_dict()` of action
         if self.action:
             _dict['action'] = self.action.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/flex_carousel.py b/linebot/v3/messaging/models/flex_carousel.py
index 201018537..1b4e35332 100644
--- a/linebot/v3/messaging/models/flex_carousel.py
+++ b/linebot/v3/messaging/models/flex_carousel.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, conlist
+from pydantic.v1 import BaseModel, conlist
 from linebot.v3.messaging.models.flex_bubble import FlexBubble
 from linebot.v3.messaging.models.flex_container import FlexContainer
 
@@ -56,7 +56,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in contents (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in contents (list)
         _items = []
         if self.contents:
             for _item in self.contents:
diff --git a/linebot/v3/messaging/models/flex_component.py b/linebot/v3/messaging/models/flex_component.py
index 6ebc4ab93..20eaa5b61 100644
--- a/linebot/v3/messaging/models/flex_component.py
+++ b/linebot/v3/messaging/models/flex_component.py
@@ -20,7 +20,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class FlexComponent(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/flex_container.py b/linebot/v3/messaging/models/flex_container.py
index 37c2fa5a0..3964833ab 100644
--- a/linebot/v3/messaging/models/flex_container.py
+++ b/linebot/v3/messaging/models/flex_container.py
@@ -20,7 +20,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class FlexContainer(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/flex_filler.py b/linebot/v3/messaging/models/flex_filler.py
index fba6497c9..0b6fcabb6 100644
--- a/linebot/v3/messaging/models/flex_filler.py
+++ b/linebot/v3/messaging/models/flex_filler.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, StrictInt
+from pydantic.v1 import BaseModel, StrictInt
 from linebot.v3.messaging.models.flex_component import FlexComponent
 
 class FlexFiller(FlexComponent):
diff --git a/linebot/v3/messaging/models/flex_icon.py b/linebot/v3/messaging/models/flex_icon.py
index 1763bdda5..ab4e9da13 100644
--- a/linebot/v3/messaging/models/flex_icon.py
+++ b/linebot/v3/messaging/models/flex_icon.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr, validator
 from linebot.v3.messaging.models.flex_component import FlexComponent
 
 class FlexIcon(FlexComponent):
diff --git a/linebot/v3/messaging/models/flex_image.py b/linebot/v3/messaging/models/flex_image.py
index c63d93bd0..c449bc6f5 100644
--- a/linebot/v3/messaging/models/flex_image.py
+++ b/linebot/v3/messaging/models/flex_image.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictInt, StrictStr, validator
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.flex_component import FlexComponent
 
@@ -112,7 +112,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of action
+        # override the default output from pydantic.v1 by calling `to_dict()` of action
         if self.action:
             _dict['action'] = self.action.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/flex_message.py b/linebot/v3/messaging/models/flex_message.py
index 4f63372d9..40c9c22ac 100644
--- a/linebot/v3/messaging/models/flex_message.py
+++ b/linebot/v3/messaging/models/flex_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.flex_container import FlexContainer
 from linebot.v3.messaging.models.message import Message
 from linebot.v3.messaging.models.quick_reply import QuickReply
@@ -60,13 +60,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of contents
+        # override the default output from pydantic.v1 by calling `to_dict()` of contents
         if self.contents:
             _dict['contents'] = self.contents.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/flex_separator.py b/linebot/v3/messaging/models/flex_separator.py
index 2cb355f03..dde0e6d0d 100644
--- a/linebot/v3/messaging/models/flex_separator.py
+++ b/linebot/v3/messaging/models/flex_separator.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, StrictStr
+from pydantic.v1 import BaseModel, StrictStr
 from linebot.v3.messaging.models.flex_component import FlexComponent
 
 class FlexSeparator(FlexComponent):
diff --git a/linebot/v3/messaging/models/flex_span.py b/linebot/v3/messaging/models/flex_span.py
index 8fbdb9074..6a28e9983 100644
--- a/linebot/v3/messaging/models/flex_span.py
+++ b/linebot/v3/messaging/models/flex_span.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, StrictStr, validator
+from pydantic.v1 import BaseModel, StrictStr, validator
 from linebot.v3.messaging.models.flex_component import FlexComponent
 
 class FlexSpan(FlexComponent):
diff --git a/linebot/v3/messaging/models/flex_text.py b/linebot/v3/messaging/models/flex_text.py
index e958d5e39..efe2c74e5 100644
--- a/linebot/v3/messaging/models/flex_text.py
+++ b/linebot/v3/messaging/models/flex_text.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, StrictInt, StrictStr, conlist, validator
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictInt, StrictStr, conlist, validator
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.flex_component import FlexComponent
 from linebot.v3.messaging.models.flex_span import FlexSpan
@@ -148,10 +148,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of action
+        # override the default output from pydantic.v1 by calling `to_dict()` of action
         if self.action:
             _dict['action'] = self.action.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in contents (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in contents (list)
         _items = []
         if self.contents:
             for _item in self.contents:
diff --git a/linebot/v3/messaging/models/flex_video.py b/linebot/v3/messaging/models/flex_video.py
index 405e53351..b0d78c2e3 100644
--- a/linebot/v3/messaging/models/flex_video.py
+++ b/linebot/v3/messaging/models/flex_video.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.flex_component import FlexComponent
 
@@ -60,10 +60,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of alt_content
+        # override the default output from pydantic.v1 by calling `to_dict()` of alt_content
         if self.alt_content:
             _dict['altContent'] = self.alt_content.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of action
+        # override the default output from pydantic.v1 by calling `to_dict()` of action
         if self.action:
             _dict['action'] = self.action.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/gender_demographic_filter.py b/linebot/v3/messaging/models/gender_demographic_filter.py
index 600362615..693ba9eb4 100644
--- a/linebot/v3/messaging/models/gender_demographic_filter.py
+++ b/linebot/v3/messaging/models/gender_demographic_filter.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.messaging.models.demographic_filter import DemographicFilter
 from linebot.v3.messaging.models.gender_demographic import GenderDemographic
 
diff --git a/linebot/v3/messaging/models/get_aggregation_unit_name_list_response.py b/linebot/v3/messaging/models/get_aggregation_unit_name_list_response.py
index 0f720c72f..562f60815 100644
--- a/linebot/v3/messaging/models/get_aggregation_unit_name_list_response.py
+++ b/linebot/v3/messaging/models/get_aggregation_unit_name_list_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 
 class GetAggregationUnitNameListResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/get_aggregation_unit_usage_response.py b/linebot/v3/messaging/models/get_aggregation_unit_usage_response.py
index 915641bae..b7ba852bd 100644
--- a/linebot/v3/messaging/models/get_aggregation_unit_usage_response.py
+++ b/linebot/v3/messaging/models/get_aggregation_unit_usage_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 
 class GetAggregationUnitUsageResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/get_followers_response.py b/linebot/v3/messaging/models/get_followers_response.py
index b305a11f5..2bb703ae8 100644
--- a/linebot/v3/messaging/models/get_followers_response.py
+++ b/linebot/v3/messaging/models/get_followers_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 
 class GetFollowersResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/get_message_content_transcoding_response.py b/linebot/v3/messaging/models/get_message_content_transcoding_response.py
index a70ea8679..6ec3b5f73 100644
--- a/linebot/v3/messaging/models/get_message_content_transcoding_response.py
+++ b/linebot/v3/messaging/models/get_message_content_transcoding_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, validator
 
 class GetMessageContentTranscodingResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/get_webhook_endpoint_response.py b/linebot/v3/messaging/models/get_webhook_endpoint_response.py
index 6454c3f7e..ccacf62ac 100644
--- a/linebot/v3/messaging/models/get_webhook_endpoint_response.py
+++ b/linebot/v3/messaging/models/get_webhook_endpoint_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictBool, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr
 
 class GetWebhookEndpointResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/group_member_count_response.py b/linebot/v3/messaging/models/group_member_count_response.py
index c72e3429a..37424ba4c 100644
--- a/linebot/v3/messaging/models/group_member_count_response.py
+++ b/linebot/v3/messaging/models/group_member_count_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 
 class GroupMemberCountResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/group_summary_response.py b/linebot/v3/messaging/models/group_summary_response.py
index 887bb11cb..6f3db12ab 100644
--- a/linebot/v3/messaging/models/group_summary_response.py
+++ b/linebot/v3/messaging/models/group_summary_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class GroupSummaryResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/group_user_profile_response.py b/linebot/v3/messaging/models/group_user_profile_response.py
index 865a1423c..f23249815 100644
--- a/linebot/v3/messaging/models/group_user_profile_response.py
+++ b/linebot/v3/messaging/models/group_user_profile_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class GroupUserProfileResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/image_carousel_column.py b/linebot/v3/messaging/models/image_carousel_column.py
index 92c4f8f0f..7a5f127a6 100644
--- a/linebot/v3/messaging/models/image_carousel_column.py
+++ b/linebot/v3/messaging/models/image_carousel_column.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.action import Action
 
 class ImageCarouselColumn(BaseModel):
@@ -55,7 +55,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of action
+        # override the default output from pydantic.v1 by calling `to_dict()` of action
         if self.action:
             _dict['action'] = self.action.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/image_carousel_template.py b/linebot/v3/messaging/models/image_carousel_template.py
index c360f2dc3..f929eb18a 100644
--- a/linebot/v3/messaging/models/image_carousel_template.py
+++ b/linebot/v3/messaging/models/image_carousel_template.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, conlist
+from pydantic.v1 import BaseModel, conlist
 from linebot.v3.messaging.models.image_carousel_column import ImageCarouselColumn
 from linebot.v3.messaging.models.template import Template
 
@@ -56,7 +56,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in columns (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in columns (list)
         _items = []
         if self.columns:
             for _item in self.columns:
diff --git a/linebot/v3/messaging/models/image_message.py b/linebot/v3/messaging/models/image_message.py
index f607ebdf7..ba301a554 100644
--- a/linebot/v3/messaging/models/image_message.py
+++ b/linebot/v3/messaging/models/image_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.message import Message
 from linebot.v3.messaging.models.quick_reply import QuickReply
 from linebot.v3.messaging.models.sender import Sender
@@ -58,10 +58,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/imagemap_action.py b/linebot/v3/messaging/models/imagemap_action.py
index 6d87067e5..c120738a6 100644
--- a/linebot/v3/messaging/models/imagemap_action.py
+++ b/linebot/v3/messaging/models/imagemap_action.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.imagemap_area import ImagemapArea
 
 class ImagemapAction(BaseModel):
@@ -75,7 +75,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of area
+        # override the default output from pydantic.v1 by calling `to_dict()` of area
         if self.area:
             _dict['area'] = self.area.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/imagemap_area.py b/linebot/v3/messaging/models/imagemap_area.py
index b0720b584..3c3c97803 100644
--- a/linebot/v3/messaging/models/imagemap_area.py
+++ b/linebot/v3/messaging/models/imagemap_area.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, StrictInt
+from pydantic.v1 import BaseModel, StrictInt
 
 class ImagemapArea(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/imagemap_base_size.py b/linebot/v3/messaging/models/imagemap_base_size.py
index 2a8f20609..59f681a57 100644
--- a/linebot/v3/messaging/models/imagemap_base_size.py
+++ b/linebot/v3/messaging/models/imagemap_base_size.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, StrictInt
+from pydantic.v1 import BaseModel, StrictInt
 
 class ImagemapBaseSize(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/imagemap_external_link.py b/linebot/v3/messaging/models/imagemap_external_link.py
index 3719692cc..1c9fa761c 100644
--- a/linebot/v3/messaging/models/imagemap_external_link.py
+++ b/linebot/v3/messaging/models/imagemap_external_link.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ImagemapExternalLink(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/imagemap_message.py b/linebot/v3/messaging/models/imagemap_message.py
index 5281f47f2..9f52b3ec2 100644
--- a/linebot/v3/messaging/models/imagemap_message.py
+++ b/linebot/v3/messaging/models/imagemap_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.messaging.models.imagemap_action import ImagemapAction
 from linebot.v3.messaging.models.imagemap_base_size import ImagemapBaseSize
 from linebot.v3.messaging.models.imagemap_video import ImagemapVideo
@@ -65,23 +65,23 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of base_size
+        # override the default output from pydantic.v1 by calling `to_dict()` of base_size
         if self.base_size:
             _dict['baseSize'] = self.base_size.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in actions (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in actions (list)
         _items = []
         if self.actions:
             for _item in self.actions:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['actions'] = _items
-        # override the default output from pydantic by calling `to_dict()` of video
+        # override the default output from pydantic.v1 by calling `to_dict()` of video
         if self.video:
             _dict['video'] = self.video.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/imagemap_video.py b/linebot/v3/messaging/models/imagemap_video.py
index bc0f1dc08..511206055 100644
--- a/linebot/v3/messaging/models/imagemap_video.py
+++ b/linebot/v3/messaging/models/imagemap_video.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.imagemap_area import ImagemapArea
 from linebot.v3.messaging.models.imagemap_external_link import ImagemapExternalLink
 
@@ -58,10 +58,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of area
+        # override the default output from pydantic.v1 by calling `to_dict()` of area
         if self.area:
             _dict['area'] = self.area.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of external_link
+        # override the default output from pydantic.v1 by calling `to_dict()` of external_link
         if self.external_link:
             _dict['externalLink'] = self.external_link.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/issue_link_token_response.py b/linebot/v3/messaging/models/issue_link_token_response.py
index b864cd6c5..516b7303b 100644
--- a/linebot/v3/messaging/models/issue_link_token_response.py
+++ b/linebot/v3/messaging/models/issue_link_token_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class IssueLinkTokenResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/limit.py b/linebot/v3/messaging/models/limit.py
index ceb52e89a..1d5c167cb 100644
--- a/linebot/v3/messaging/models/limit.py
+++ b/linebot/v3/messaging/models/limit.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, conint
+from pydantic.v1 import BaseModel, Field, StrictBool, conint
 
 class Limit(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/location_action.py b/linebot/v3/messaging/models/location_action.py
index 6f3436ab8..143f5b9db 100644
--- a/linebot/v3/messaging/models/location_action.py
+++ b/linebot/v3/messaging/models/location_action.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.messaging.models.action import Action
 
 class LocationAction(Action):
diff --git a/linebot/v3/messaging/models/location_message.py b/linebot/v3/messaging/models/location_message.py
index 74395d40b..169dbc70f 100644
--- a/linebot/v3/messaging/models/location_message.py
+++ b/linebot/v3/messaging/models/location_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional, Union
-from pydantic import BaseModel, StrictFloat, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, StrictFloat, StrictInt, StrictStr
 from linebot.v3.messaging.models.message import Message
 from linebot.v3.messaging.models.quick_reply import QuickReply
 from linebot.v3.messaging.models.sender import Sender
@@ -60,10 +60,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/mark_messages_as_read_request.py b/linebot/v3/messaging/models/mark_messages_as_read_request.py
index 7896c4f4b..bc5237a10 100644
--- a/linebot/v3/messaging/models/mark_messages_as_read_request.py
+++ b/linebot/v3/messaging/models/mark_messages_as_read_request.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field
+from pydantic.v1 import BaseModel, Field
 from linebot.v3.messaging.models.chat_reference import ChatReference
 
 class MarkMessagesAsReadRequest(BaseModel):
@@ -55,7 +55,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of chat
+        # override the default output from pydantic.v1 by calling `to_dict()` of chat
         if self.chat:
             _dict['chat'] = self.chat.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/members_ids_response.py b/linebot/v3/messaging/models/members_ids_response.py
index 82689cda8..045a0ec5f 100644
--- a/linebot/v3/messaging/models/members_ids_response.py
+++ b/linebot/v3/messaging/models/members_ids_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 
 class MembersIdsResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/message.py b/linebot/v3/messaging/models/message.py
index 961d69076..01c07a31b 100644
--- a/linebot/v3/messaging/models/message.py
+++ b/linebot/v3/messaging/models/message.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.quick_reply import QuickReply
 from linebot.v3.messaging.models.sender import Sender
 
@@ -84,10 +84,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/message_action.py b/linebot/v3/messaging/models/message_action.py
index b7bf1718b..7b6ec8f72 100644
--- a/linebot/v3/messaging/models/message_action.py
+++ b/linebot/v3/messaging/models/message_action.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, StrictStr
+from pydantic.v1 import BaseModel, StrictStr
 from linebot.v3.messaging.models.action import Action
 
 class MessageAction(Action):
diff --git a/linebot/v3/messaging/models/message_imagemap_action.py b/linebot/v3/messaging/models/message_imagemap_action.py
index ca1e64856..7e8df68f4 100644
--- a/linebot/v3/messaging/models/message_imagemap_action.py
+++ b/linebot/v3/messaging/models/message_imagemap_action.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, StrictStr
+from pydantic.v1 import BaseModel, StrictStr
 from linebot.v3.messaging.models.imagemap_action import ImagemapAction
 from linebot.v3.messaging.models.imagemap_area import ImagemapArea
 
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of area
+        # override the default output from pydantic.v1 by calling `to_dict()` of area
         if self.area:
             _dict['area'] = self.area.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/message_quota_response.py b/linebot/v3/messaging/models/message_quota_response.py
index 9f6438f97..fd5619219 100644
--- a/linebot/v3/messaging/models/message_quota_response.py
+++ b/linebot/v3/messaging/models/message_quota_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 from linebot.v3.messaging.models.quota_type import QuotaType
 
 class MessageQuotaResponse(BaseModel):
diff --git a/linebot/v3/messaging/models/multicast_request.py b/linebot/v3/messaging/models/multicast_request.py
index f6affa11f..af3d0d88a 100644
--- a/linebot/v3/messaging/models/multicast_request.py
+++ b/linebot/v3/messaging/models/multicast_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, StrictStr, conlist, constr, validator
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr, conlist, constr, validator
 from linebot.v3.messaging.models.message import Message
 
 class MulticastRequest(BaseModel):
@@ -58,7 +58,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
diff --git a/linebot/v3/messaging/models/narrowcast_progress_response.py b/linebot/v3/messaging/models/narrowcast_progress_response.py
index ea1664951..8fb8d27fe 100644
--- a/linebot/v3/messaging/models/narrowcast_progress_response.py
+++ b/linebot/v3/messaging/models/narrowcast_progress_response.py
@@ -19,7 +19,7 @@
 
 from datetime import datetime
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr, validator
 
 class NarrowcastProgressResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/narrowcast_request.py b/linebot/v3/messaging/models/narrowcast_request.py
index bec0ea220..d71c1dcc1 100644
--- a/linebot/v3/messaging/models/narrowcast_request.py
+++ b/linebot/v3/messaging/models/narrowcast_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, conlist
+from pydantic.v1 import BaseModel, Field, StrictBool, conlist
 from linebot.v3.messaging.models.filter import Filter
 from linebot.v3.messaging.models.limit import Limit
 from linebot.v3.messaging.models.message import Message
@@ -62,20 +62,20 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['messages'] = _items
-        # override the default output from pydantic by calling `to_dict()` of recipient
+        # override the default output from pydantic.v1 by calling `to_dict()` of recipient
         if self.recipient:
             _dict['recipient'] = self.recipient.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of filter
+        # override the default output from pydantic.v1 by calling `to_dict()` of filter
         if self.filter:
             _dict['filter'] = self.filter.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of limit
+        # override the default output from pydantic.v1 by calling `to_dict()` of limit
         if self.limit:
             _dict['limit'] = self.limit.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/number_of_messages_response.py b/linebot/v3/messaging/models/number_of_messages_response.py
index 1e023aaeb..c269e543e 100644
--- a/linebot/v3/messaging/models/number_of_messages_response.py
+++ b/linebot/v3/messaging/models/number_of_messages_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr, validator
 
 class NumberOfMessagesResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/operator_demographic_filter.py b/linebot/v3/messaging/models/operator_demographic_filter.py
index 0b7f8a5d3..5db6103df 100644
--- a/linebot/v3/messaging/models/operator_demographic_filter.py
+++ b/linebot/v3/messaging/models/operator_demographic_filter.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.messaging.models.demographic_filter import DemographicFilter
 
 class OperatorDemographicFilter(DemographicFilter):
@@ -57,21 +57,21 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in var_and (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in var_and (list)
         _items = []
         if self.var_and:
             for _item in self.var_and:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['and'] = _items
-        # override the default output from pydantic by calling `to_dict()` of each item in var_or (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in var_or (list)
         _items = []
         if self.var_or:
             for _item in self.var_or:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['or'] = _items
-        # override the default output from pydantic by calling `to_dict()` of var_not
+        # override the default output from pydantic.v1 by calling `to_dict()` of var_not
         if self.var_not:
             _dict['not'] = self.var_not.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/operator_recipient.py b/linebot/v3/messaging/models/operator_recipient.py
index ee02045e5..28e3a504a 100644
--- a/linebot/v3/messaging/models/operator_recipient.py
+++ b/linebot/v3/messaging/models/operator_recipient.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.messaging.models.recipient import Recipient
 
 class OperatorRecipient(Recipient):
@@ -57,21 +57,21 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in var_and (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in var_and (list)
         _items = []
         if self.var_and:
             for _item in self.var_and:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['and'] = _items
-        # override the default output from pydantic by calling `to_dict()` of each item in var_or (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in var_or (list)
         _items = []
         if self.var_or:
             for _item in self.var_or:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['or'] = _items
-        # override the default output from pydantic by calling `to_dict()` of var_not
+        # override the default output from pydantic.v1 by calling `to_dict()` of var_not
         if self.var_not:
             _dict['not'] = self.var_not.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/pnp_messages_request.py b/linebot/v3/messaging/models/pnp_messages_request.py
index 7e281b0be..b9e7d0c30 100644
--- a/linebot/v3/messaging/models/pnp_messages_request.py
+++ b/linebot/v3/messaging/models/pnp_messages_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr, conlist
 from linebot.v3.messaging.models.message import Message
 
 class PnpMessagesRequest(BaseModel):
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
diff --git a/linebot/v3/messaging/models/postback_action.py b/linebot/v3/messaging/models/postback_action.py
index 1d23c17c0..238b6b77f 100644
--- a/linebot/v3/messaging/models/postback_action.py
+++ b/linebot/v3/messaging/models/postback_action.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr, constr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, constr, validator
 from linebot.v3.messaging.models.action import Action
 
 class PostbackAction(Action):
diff --git a/linebot/v3/messaging/models/push_message_request.py b/linebot/v3/messaging/models/push_message_request.py
index b61f01411..050b8b4d7 100644
--- a/linebot/v3/messaging/models/push_message_request.py
+++ b/linebot/v3/messaging/models/push_message_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr, conlist
 from linebot.v3.messaging.models.message import Message
 
 class PushMessageRequest(BaseModel):
@@ -58,7 +58,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
diff --git a/linebot/v3/messaging/models/quick_reply.py b/linebot/v3/messaging/models/quick_reply.py
index 0d6bf9d58..89bfd9353 100644
--- a/linebot/v3/messaging/models/quick_reply.py
+++ b/linebot/v3/messaging/models/quick_reply.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.messaging.models.quick_reply_item import QuickReplyItem
 
 class QuickReply(BaseModel):
@@ -55,7 +55,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in items (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in items (list)
         _items = []
         if self.items:
             for _item in self.items:
diff --git a/linebot/v3/messaging/models/quick_reply_item.py b/linebot/v3/messaging/models/quick_reply_item.py
index e4d594037..5e8984194 100644
--- a/linebot/v3/messaging/models/quick_reply_item.py
+++ b/linebot/v3/messaging/models/quick_reply_item.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr, constr
+from pydantic.v1 import BaseModel, Field, StrictStr, constr
 from linebot.v3.messaging.models.action import Action
 
 class QuickReplyItem(BaseModel):
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of action
+        # override the default output from pydantic.v1 by calling `to_dict()` of action
         if self.action:
             _dict['action'] = self.action.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/quota_consumption_response.py b/linebot/v3/messaging/models/quota_consumption_response.py
index 9e1aa55ec..d7ce36447 100644
--- a/linebot/v3/messaging/models/quota_consumption_response.py
+++ b/linebot/v3/messaging/models/quota_consumption_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 
 class QuotaConsumptionResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/recipient.py b/linebot/v3/messaging/models/recipient.py
index 593c11b7c..b4a6c9445 100644
--- a/linebot/v3/messaging/models/recipient.py
+++ b/linebot/v3/messaging/models/recipient.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class Recipient(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/redelivery_recipient.py b/linebot/v3/messaging/models/redelivery_recipient.py
index 57bc7c482..2f1d43591 100644
--- a/linebot/v3/messaging/models/redelivery_recipient.py
+++ b/linebot/v3/messaging/models/redelivery_recipient.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.recipient import Recipient
 
 class RedeliveryRecipient(Recipient):
diff --git a/linebot/v3/messaging/models/reply_message_request.py b/linebot/v3/messaging/models/reply_message_request.py
index 614e0e254..ec6fdb992 100644
--- a/linebot/v3/messaging/models/reply_message_request.py
+++ b/linebot/v3/messaging/models/reply_message_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr, conlist
 from linebot.v3.messaging.models.message import Message
 
 class ReplyMessageRequest(BaseModel):
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
diff --git a/linebot/v3/messaging/models/rich_menu_alias_list_response.py b/linebot/v3/messaging/models/rich_menu_alias_list_response.py
index d2d2002de..af49ad367 100644
--- a/linebot/v3/messaging/models/rich_menu_alias_list_response.py
+++ b/linebot/v3/messaging/models/rich_menu_alias_list_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.messaging.models.rich_menu_alias_response import RichMenuAliasResponse
 
 class RichMenuAliasListResponse(BaseModel):
@@ -55,7 +55,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in aliases (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in aliases (list)
         _items = []
         if self.aliases:
             for _item in self.aliases:
diff --git a/linebot/v3/messaging/models/rich_menu_alias_response.py b/linebot/v3/messaging/models/rich_menu_alias_response.py
index eb25965db..60c92d0ad 100644
--- a/linebot/v3/messaging/models/rich_menu_alias_response.py
+++ b/linebot/v3/messaging/models/rich_menu_alias_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class RichMenuAliasResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/rich_menu_area.py b/linebot/v3/messaging/models/rich_menu_area.py
index f4019366b..8db5710f2 100644
--- a/linebot/v3/messaging/models/rich_menu_area.py
+++ b/linebot/v3/messaging/models/rich_menu_area.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.rich_menu_bounds import RichMenuBounds
 
@@ -56,10 +56,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of bounds
+        # override the default output from pydantic.v1 by calling `to_dict()` of bounds
         if self.bounds:
             _dict['bounds'] = self.bounds.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of action
+        # override the default output from pydantic.v1 by calling `to_dict()` of action
         if self.action:
             _dict['action'] = self.action.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/rich_menu_batch_link_operation.py b/linebot/v3/messaging/models/rich_menu_batch_link_operation.py
index f5cec86e0..0457cb01d 100644
--- a/linebot/v3/messaging/models/rich_menu_batch_link_operation.py
+++ b/linebot/v3/messaging/models/rich_menu_batch_link_operation.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.rich_menu_batch_operation import RichMenuBatchOperation
 
 class RichMenuBatchLinkOperation(RichMenuBatchOperation):
diff --git a/linebot/v3/messaging/models/rich_menu_batch_operation.py b/linebot/v3/messaging/models/rich_menu_batch_operation.py
index bedae5126..c9aa3d16b 100644
--- a/linebot/v3/messaging/models/rich_menu_batch_operation.py
+++ b/linebot/v3/messaging/models/rich_menu_batch_operation.py
@@ -20,7 +20,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class RichMenuBatchOperation(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/rich_menu_batch_progress_response.py b/linebot/v3/messaging/models/rich_menu_batch_progress_response.py
index ea983ecc4..9cc8da6d5 100644
--- a/linebot/v3/messaging/models/rich_menu_batch_progress_response.py
+++ b/linebot/v3/messaging/models/rich_menu_batch_progress_response.py
@@ -19,7 +19,7 @@
 
 from datetime import datetime
 from typing import Optional
-from pydantic import BaseModel, Field
+from pydantic.v1 import BaseModel, Field
 from linebot.v3.messaging.models.rich_menu_batch_progress_phase import RichMenuBatchProgressPhase
 
 class RichMenuBatchProgressResponse(BaseModel):
diff --git a/linebot/v3/messaging/models/rich_menu_batch_request.py b/linebot/v3/messaging/models/rich_menu_batch_request.py
index be01843f0..f83ceaac2 100644
--- a/linebot/v3/messaging/models/rich_menu_batch_request.py
+++ b/linebot/v3/messaging/models/rich_menu_batch_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist, constr, validator
+from pydantic.v1 import BaseModel, Field, conlist, constr, validator
 from linebot.v3.messaging.models.rich_menu_batch_operation import RichMenuBatchOperation
 
 class RichMenuBatchRequest(BaseModel):
@@ -65,7 +65,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in operations (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in operations (list)
         _items = []
         if self.operations:
             for _item in self.operations:
diff --git a/linebot/v3/messaging/models/rich_menu_batch_unlink_all_operation.py b/linebot/v3/messaging/models/rich_menu_batch_unlink_all_operation.py
index f1562c042..c8365358c 100644
--- a/linebot/v3/messaging/models/rich_menu_batch_unlink_all_operation.py
+++ b/linebot/v3/messaging/models/rich_menu_batch_unlink_all_operation.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.messaging.models.rich_menu_batch_operation import RichMenuBatchOperation
 
 class RichMenuBatchUnlinkAllOperation(RichMenuBatchOperation):
diff --git a/linebot/v3/messaging/models/rich_menu_batch_unlink_operation.py b/linebot/v3/messaging/models/rich_menu_batch_unlink_operation.py
index 1dfa79e50..3d4564e79 100644
--- a/linebot/v3/messaging/models/rich_menu_batch_unlink_operation.py
+++ b/linebot/v3/messaging/models/rich_menu_batch_unlink_operation.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.rich_menu_batch_operation import RichMenuBatchOperation
 
 class RichMenuBatchUnlinkOperation(RichMenuBatchOperation):
diff --git a/linebot/v3/messaging/models/rich_menu_bounds.py b/linebot/v3/messaging/models/rich_menu_bounds.py
index e1f769f1d..ddf58b12e 100644
--- a/linebot/v3/messaging/models/rich_menu_bounds.py
+++ b/linebot/v3/messaging/models/rich_menu_bounds.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, conint
+from pydantic.v1 import BaseModel, Field, conint
 
 class RichMenuBounds(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/rich_menu_bulk_link_request.py b/linebot/v3/messaging/models/rich_menu_bulk_link_request.py
index 77de1a4ed..0b7ef1f28 100644
--- a/linebot/v3/messaging/models/rich_menu_bulk_link_request.py
+++ b/linebot/v3/messaging/models/rich_menu_bulk_link_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 
 class RichMenuBulkLinkRequest(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/rich_menu_bulk_unlink_request.py b/linebot/v3/messaging/models/rich_menu_bulk_unlink_request.py
index 466ac45f3..0748af104 100644
--- a/linebot/v3/messaging/models/rich_menu_bulk_unlink_request.py
+++ b/linebot/v3/messaging/models/rich_menu_bulk_unlink_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 
 class RichMenuBulkUnlinkRequest(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/rich_menu_id_response.py b/linebot/v3/messaging/models/rich_menu_id_response.py
index 0015a386b..a8f504d33 100644
--- a/linebot/v3/messaging/models/rich_menu_id_response.py
+++ b/linebot/v3/messaging/models/rich_menu_id_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class RichMenuIdResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/rich_menu_list_response.py b/linebot/v3/messaging/models/rich_menu_list_response.py
index 794caab72..8a06db785 100644
--- a/linebot/v3/messaging/models/rich_menu_list_response.py
+++ b/linebot/v3/messaging/models/rich_menu_list_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.messaging.models.rich_menu_response import RichMenuResponse
 
 class RichMenuListResponse(BaseModel):
@@ -55,7 +55,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in richmenus (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in richmenus (list)
         _items = []
         if self.richmenus:
             for _item in self.richmenus:
diff --git a/linebot/v3/messaging/models/rich_menu_request.py b/linebot/v3/messaging/models/rich_menu_request.py
index 0dfc1899a..3629be134 100644
--- a/linebot/v3/messaging/models/rich_menu_request.py
+++ b/linebot/v3/messaging/models/rich_menu_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictBool, conlist, constr
+from pydantic.v1 import BaseModel, Field, StrictBool, conlist, constr
 from linebot.v3.messaging.models.rich_menu_area import RichMenuArea
 from linebot.v3.messaging.models.rich_menu_size import RichMenuSize
 
@@ -59,10 +59,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of size
+        # override the default output from pydantic.v1 by calling `to_dict()` of size
         if self.size:
             _dict['size'] = self.size.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in areas (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in areas (list)
         _items = []
         if self.areas:
             for _item in self.areas:
diff --git a/linebot/v3/messaging/models/rich_menu_response.py b/linebot/v3/messaging/models/rich_menu_response.py
index 47eff4bee..c62086440 100644
--- a/linebot/v3/messaging/models/rich_menu_response.py
+++ b/linebot/v3/messaging/models/rich_menu_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, StrictBool, StrictStr, conlist, constr
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr, conlist, constr
 from linebot.v3.messaging.models.rich_menu_area import RichMenuArea
 from linebot.v3.messaging.models.rich_menu_size import RichMenuSize
 
@@ -60,10 +60,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of size
+        # override the default output from pydantic.v1 by calling `to_dict()` of size
         if self.size:
             _dict['size'] = self.size.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in areas (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in areas (list)
         _items = []
         if self.areas:
             for _item in self.areas:
diff --git a/linebot/v3/messaging/models/rich_menu_size.py b/linebot/v3/messaging/models/rich_menu_size.py
index 60711b84c..cd7571284 100644
--- a/linebot/v3/messaging/models/rich_menu_size.py
+++ b/linebot/v3/messaging/models/rich_menu_size.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, conint
+from pydantic.v1 import BaseModel, Field, conint
 
 class RichMenuSize(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/rich_menu_switch_action.py b/linebot/v3/messaging/models/rich_menu_switch_action.py
index 370850b94..833be8101 100644
--- a/linebot/v3/messaging/models/rich_menu_switch_action.py
+++ b/linebot/v3/messaging/models/rich_menu_switch_action.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, constr
+from pydantic.v1 import BaseModel, Field, constr
 from linebot.v3.messaging.models.action import Action
 
 class RichMenuSwitchAction(Action):
diff --git a/linebot/v3/messaging/models/room_member_count_response.py b/linebot/v3/messaging/models/room_member_count_response.py
index 425fcfabd..48decf154 100644
--- a/linebot/v3/messaging/models/room_member_count_response.py
+++ b/linebot/v3/messaging/models/room_member_count_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 
 class RoomMemberCountResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/room_user_profile_response.py b/linebot/v3/messaging/models/room_user_profile_response.py
index 0d8a211b5..e7e938025 100644
--- a/linebot/v3/messaging/models/room_user_profile_response.py
+++ b/linebot/v3/messaging/models/room_user_profile_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class RoomUserProfileResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/sender.py b/linebot/v3/messaging/models/sender.py
index 2cbdb1b23..74ae00db4 100644
--- a/linebot/v3/messaging/models/sender.py
+++ b/linebot/v3/messaging/models/sender.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, constr
+from pydantic.v1 import BaseModel, Field, constr
 
 class Sender(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/set_webhook_endpoint_request.py b/linebot/v3/messaging/models/set_webhook_endpoint_request.py
index c100dffe5..fe9004abf 100644
--- a/linebot/v3/messaging/models/set_webhook_endpoint_request.py
+++ b/linebot/v3/messaging/models/set_webhook_endpoint_request.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, constr
+from pydantic.v1 import BaseModel, Field, constr
 
 class SetWebhookEndpointRequest(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/sticker_message.py b/linebot/v3/messaging/models/sticker_message.py
index 0552ec95a..00bd27d09 100644
--- a/linebot/v3/messaging/models/sticker_message.py
+++ b/linebot/v3/messaging/models/sticker_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.message import Message
 from linebot.v3.messaging.models.quick_reply import QuickReply
 from linebot.v3.messaging.models.sender import Sender
@@ -58,10 +58,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/subscription_period_demographic_filter.py b/linebot/v3/messaging/models/subscription_period_demographic_filter.py
index ebb684473..e4332cb6b 100644
--- a/linebot/v3/messaging/models/subscription_period_demographic_filter.py
+++ b/linebot/v3/messaging/models/subscription_period_demographic_filter.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.messaging.models.demographic_filter import DemographicFilter
 from linebot.v3.messaging.models.subscription_period_demographic import SubscriptionPeriodDemographic
 
diff --git a/linebot/v3/messaging/models/template.py b/linebot/v3/messaging/models/template.py
index b8c551f31..4d6bc9f09 100644
--- a/linebot/v3/messaging/models/template.py
+++ b/linebot/v3/messaging/models/template.py
@@ -20,7 +20,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class Template(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/template_message.py b/linebot/v3/messaging/models/template_message.py
index bec5c5b08..8fa27ec7c 100644
--- a/linebot/v3/messaging/models/template_message.py
+++ b/linebot/v3/messaging/models/template_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.message import Message
 from linebot.v3.messaging.models.quick_reply import QuickReply
 from linebot.v3.messaging.models.sender import Sender
@@ -59,13 +59,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of template
+        # override the default output from pydantic.v1 by calling `to_dict()` of template
         if self.template:
             _dict['template'] = self.template.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/test_webhook_endpoint_request.py b/linebot/v3/messaging/models/test_webhook_endpoint_request.py
index ea59ace64..70ba4bd29 100644
--- a/linebot/v3/messaging/models/test_webhook_endpoint_request.py
+++ b/linebot/v3/messaging/models/test_webhook_endpoint_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, constr
+from pydantic.v1 import BaseModel, Field, constr
 
 class TestWebhookEndpointRequest(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/test_webhook_endpoint_response.py b/linebot/v3/messaging/models/test_webhook_endpoint_response.py
index ca7f76f23..94c94cdb7 100644
--- a/linebot/v3/messaging/models/test_webhook_endpoint_response.py
+++ b/linebot/v3/messaging/models/test_webhook_endpoint_response.py
@@ -19,7 +19,7 @@
 
 from datetime import datetime
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictInt, StrictStr
 
 class TestWebhookEndpointResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/text_message.py b/linebot/v3/messaging/models/text_message.py
index e6b42470d..56b38af27 100644
--- a/linebot/v3/messaging/models/text_message.py
+++ b/linebot/v3/messaging/models/text_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, StrictStr, conlist
+from pydantic.v1 import BaseModel, StrictStr, conlist
 from linebot.v3.messaging.models.emoji import Emoji
 from linebot.v3.messaging.models.message import Message
 from linebot.v3.messaging.models.quick_reply import QuickReply
@@ -59,13 +59,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of each item in emojis (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in emojis (list)
         _items = []
         if self.emojis:
             for _item in self.emojis:
diff --git a/linebot/v3/messaging/models/update_rich_menu_alias_request.py b/linebot/v3/messaging/models/update_rich_menu_alias_request.py
index de452ea5a..f8ab32120 100644
--- a/linebot/v3/messaging/models/update_rich_menu_alias_request.py
+++ b/linebot/v3/messaging/models/update_rich_menu_alias_request.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class UpdateRichMenuAliasRequest(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/uri_action.py b/linebot/v3/messaging/models/uri_action.py
index eb7f036aa..ef1f8b095 100644
--- a/linebot/v3/messaging/models/uri_action.py
+++ b/linebot/v3/messaging/models/uri_action.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.action import Action
 from linebot.v3.messaging.models.alt_uri import AltUri
 
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of alt_uri
+        # override the default output from pydantic.v1 by calling `to_dict()` of alt_uri
         if self.alt_uri:
             _dict['altUri'] = self.alt_uri.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/uri_imagemap_action.py b/linebot/v3/messaging/models/uri_imagemap_action.py
index 98e6356a9..269887517 100644
--- a/linebot/v3/messaging/models/uri_imagemap_action.py
+++ b/linebot/v3/messaging/models/uri_imagemap_action.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.imagemap_action import ImagemapAction
 from linebot.v3.messaging.models.imagemap_area import ImagemapArea
 
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of area
+        # override the default output from pydantic.v1 by calling `to_dict()` of area
         if self.area:
             _dict['area'] = self.area.to_dict()
         return _dict
diff --git a/linebot/v3/messaging/models/user_profile_response.py b/linebot/v3/messaging/models/user_profile_response.py
index 4debd4e88..0fffdbb40 100644
--- a/linebot/v3/messaging/models/user_profile_response.py
+++ b/linebot/v3/messaging/models/user_profile_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class UserProfileResponse(BaseModel):
     """
diff --git a/linebot/v3/messaging/models/validate_message_request.py b/linebot/v3/messaging/models/validate_message_request.py
index 24c45680b..be449fd9e 100644
--- a/linebot/v3/messaging/models/validate_message_request.py
+++ b/linebot/v3/messaging/models/validate_message_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.messaging.models.message import Message
 
 class ValidateMessageRequest(BaseModel):
@@ -54,7 +54,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in messages (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in messages (list)
         _items = []
         if self.messages:
             for _item in self.messages:
diff --git a/linebot/v3/messaging/models/video_message.py b/linebot/v3/messaging/models/video_message.py
index 36cdb0ab9..de94cd55d 100644
--- a/linebot/v3/messaging/models/video_message.py
+++ b/linebot/v3/messaging/models/video_message.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.messaging.models.message import Message
 from linebot.v3.messaging.models.quick_reply import QuickReply
 from linebot.v3.messaging.models.sender import Sender
@@ -59,10 +59,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of quick_reply
+        # override the default output from pydantic.v1 by calling `to_dict()` of quick_reply
         if self.quick_reply:
             _dict['quickReply'] = self.quick_reply.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of sender
+        # override the default output from pydantic.v1 by calling `to_dict()` of sender
         if self.sender:
             _dict['sender'] = self.sender.to_dict()
         return _dict
diff --git a/linebot/v3/module/api/async_line_module.py b/linebot/v3/module/api/async_line_module.py
index c1bca599f..c28cf1a71 100644
--- a/linebot/v3/module/api/async_line_module.py
+++ b/linebot/v3/module/api/async_line_module.py
@@ -16,11 +16,11 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
-from pydantic import Field, StrictStr, conint
+from pydantic.v1 import Field, StrictStr, conint
 
 from typing import Optional
 
diff --git a/linebot/v3/module/api/line_module.py b/linebot/v3/module/api/line_module.py
index d08fcffa3..ebe57351c 100644
--- a/linebot/v3/module/api/line_module.py
+++ b/linebot/v3/module/api/line_module.py
@@ -15,10 +15,10 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
-from pydantic import Field, StrictStr, conint
+from pydantic.v1 import Field, StrictStr, conint
 
 from typing import Optional
 
diff --git a/linebot/v3/module/api_response.py b/linebot/v3/module/api_response.py
index d81c2ff58..5cc59478a 100644
--- a/linebot/v3/module/api_response.py
+++ b/linebot/v3/module/api_response.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/linebot/v3/module/models/acquire_chat_control_request.py b/linebot/v3/module/models/acquire_chat_control_request.py
index 028e8947d..143e1b033 100644
--- a/linebot/v3/module/models/acquire_chat_control_request.py
+++ b/linebot/v3/module/models/acquire_chat_control_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictBool, conint
+from pydantic.v1 import BaseModel, Field, StrictBool, conint
 
 class AcquireChatControlRequest(BaseModel):
     """
diff --git a/linebot/v3/module/models/detach_module_request.py b/linebot/v3/module/models/detach_module_request.py
index efbe787d1..3b741e538 100644
--- a/linebot/v3/module/models/detach_module_request.py
+++ b/linebot/v3/module/models/detach_module_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class DetachModuleRequest(BaseModel):
     """
diff --git a/linebot/v3/module/models/get_modules_response.py b/linebot/v3/module/models/get_modules_response.py
index a5085992a..c2be2f412 100644
--- a/linebot/v3/module/models/get_modules_response.py
+++ b/linebot/v3/module/models/get_modules_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.module.models.module_bot import ModuleBot
 
 class GetModulesResponse(BaseModel):
@@ -56,7 +56,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in bots (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in bots (list)
         _items = []
         if self.bots:
             for _item in self.bots:
diff --git a/linebot/v3/module/models/module_bot.py b/linebot/v3/module/models/module_bot.py
index 6ebe9776f..d8d14fd39 100644
--- a/linebot/v3/module/models/module_bot.py
+++ b/linebot/v3/module/models/module_bot.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ModuleBot(BaseModel):
     """
diff --git a/linebot/v3/moduleattach/api/async_line_module_attach.py b/linebot/v3/moduleattach/api/async_line_module_attach.py
index 04746fa54..cba3c530f 100644
--- a/linebot/v3/moduleattach/api/async_line_module_attach.py
+++ b/linebot/v3/moduleattach/api/async_line_module_attach.py
@@ -16,11 +16,11 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
-from pydantic import Field, StrictStr
+from pydantic.v1 import Field, StrictStr
 
 from typing import Optional
 
diff --git a/linebot/v3/moduleattach/api/line_module_attach.py b/linebot/v3/moduleattach/api/line_module_attach.py
index c737c9b5c..fd48db184 100644
--- a/linebot/v3/moduleattach/api/line_module_attach.py
+++ b/linebot/v3/moduleattach/api/line_module_attach.py
@@ -15,10 +15,10 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
-from pydantic import Field, StrictStr
+from pydantic.v1 import Field, StrictStr
 
 from typing import Optional
 
diff --git a/linebot/v3/moduleattach/api_response.py b/linebot/v3/moduleattach/api_response.py
index d81c2ff58..5cc59478a 100644
--- a/linebot/v3/moduleattach/api_response.py
+++ b/linebot/v3/moduleattach/api_response.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/linebot/v3/moduleattach/models/attach_module_response.py b/linebot/v3/moduleattach/models/attach_module_response.py
index 3675b4e40..40cd2bf45 100644
--- a/linebot/v3/moduleattach/models/attach_module_response.py
+++ b/linebot/v3/moduleattach/models/attach_module_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 
 class AttachModuleResponse(BaseModel):
     """
diff --git a/linebot/v3/oauth/api/async_channel_access_token.py b/linebot/v3/oauth/api/async_channel_access_token.py
index 59150eedb..653f5e595 100644
--- a/linebot/v3/oauth/api/async_channel_access_token.py
+++ b/linebot/v3/oauth/api/async_channel_access_token.py
@@ -16,11 +16,11 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
-from pydantic import Field, StrictStr
+from pydantic.v1 import Field, StrictStr
 
 from typing import Optional
 
diff --git a/linebot/v3/oauth/api/channel_access_token.py b/linebot/v3/oauth/api/channel_access_token.py
index 403a6f4cc..3ca7eab6c 100644
--- a/linebot/v3/oauth/api/channel_access_token.py
+++ b/linebot/v3/oauth/api/channel_access_token.py
@@ -15,10 +15,10 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
-from pydantic import Field, StrictStr
+from pydantic.v1 import Field, StrictStr
 
 from typing import Optional
 
diff --git a/linebot/v3/oauth/api_response.py b/linebot/v3/oauth/api_response.py
index d81c2ff58..5cc59478a 100644
--- a/linebot/v3/oauth/api_response.py
+++ b/linebot/v3/oauth/api_response.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/linebot/v3/oauth/models/channel_access_token_key_ids_response.py b/linebot/v3/oauth/models/channel_access_token_key_ids_response.py
index a5987e3d3..92618edcb 100644
--- a/linebot/v3/oauth/models/channel_access_token_key_ids_response.py
+++ b/linebot/v3/oauth/models/channel_access_token_key_ids_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 
 class ChannelAccessTokenKeyIdsResponse(BaseModel):
     """
diff --git a/linebot/v3/oauth/models/error_response.py b/linebot/v3/oauth/models/error_response.py
index f149d0e70..6b60f3a44 100644
--- a/linebot/v3/oauth/models/error_response.py
+++ b/linebot/v3/oauth/models/error_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ErrorResponse(BaseModel):
     """
diff --git a/linebot/v3/oauth/models/issue_channel_access_token_response.py b/linebot/v3/oauth/models/issue_channel_access_token_response.py
index 90157d2b3..3e66df10e 100644
--- a/linebot/v3/oauth/models/issue_channel_access_token_response.py
+++ b/linebot/v3/oauth/models/issue_channel_access_token_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class IssueChannelAccessTokenResponse(BaseModel):
     """
diff --git a/linebot/v3/oauth/models/issue_short_lived_channel_access_token_response.py b/linebot/v3/oauth/models/issue_short_lived_channel_access_token_response.py
index 73b252e1a..acb7848b8 100644
--- a/linebot/v3/oauth/models/issue_short_lived_channel_access_token_response.py
+++ b/linebot/v3/oauth/models/issue_short_lived_channel_access_token_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class IssueShortLivedChannelAccessTokenResponse(BaseModel):
     """
diff --git a/linebot/v3/oauth/models/verify_channel_access_token_response.py b/linebot/v3/oauth/models/verify_channel_access_token_response.py
index 47a127dc4..7bca5438b 100644
--- a/linebot/v3/oauth/models/verify_channel_access_token_response.py
+++ b/linebot/v3/oauth/models/verify_channel_access_token_response.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class VerifyChannelAccessTokenResponse(BaseModel):
     """
diff --git a/linebot/v3/shop/api/async_shop.py b/linebot/v3/shop/api/async_shop.py
index 9e969f744..a11141c4f 100644
--- a/linebot/v3/shop/api/async_shop.py
+++ b/linebot/v3/shop/api/async_shop.py
@@ -16,7 +16,7 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
diff --git a/linebot/v3/shop/api/shop.py b/linebot/v3/shop/api/shop.py
index 6f7871d39..140c0650a 100644
--- a/linebot/v3/shop/api/shop.py
+++ b/linebot/v3/shop/api/shop.py
@@ -15,7 +15,7 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
 from linebot.v3.shop.models.mission_sticker_request import MissionStickerRequest
diff --git a/linebot/v3/shop/api_response.py b/linebot/v3/shop/api_response.py
index d81c2ff58..5cc59478a 100644
--- a/linebot/v3/shop/api_response.py
+++ b/linebot/v3/shop/api_response.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/linebot/v3/shop/models/error_response.py b/linebot/v3/shop/models/error_response.py
index 6defc220e..edab12b8d 100644
--- a/linebot/v3/shop/models/error_response.py
+++ b/linebot/v3/shop/models/error_response.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ErrorResponse(BaseModel):
     """
diff --git a/linebot/v3/shop/models/mission_sticker_request.py b/linebot/v3/shop/models/mission_sticker_request.py
index 96f20fa6b..92f50a834 100644
--- a/linebot/v3/shop/models/mission_sticker_request.py
+++ b/linebot/v3/shop/models/mission_sticker_request.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictBool, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictBool, StrictStr
 
 class MissionStickerRequest(BaseModel):
     """
diff --git a/linebot/v3/webhooks/api/async_dummy.py b/linebot/v3/webhooks/api/async_dummy.py
index 17d79782f..e66dbf57a 100644
--- a/linebot/v3/webhooks/api/async_dummy.py
+++ b/linebot/v3/webhooks/api/async_dummy.py
@@ -16,7 +16,7 @@
 import io
 import warnings
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 from typing import overload, Optional, Union, Awaitable
 
diff --git a/linebot/v3/webhooks/api/dummy.py b/linebot/v3/webhooks/api/dummy.py
index f3b283b9c..73287f732 100644
--- a/linebot/v3/webhooks/api/dummy.py
+++ b/linebot/v3/webhooks/api/dummy.py
@@ -15,7 +15,7 @@
 import re  # noqa: F401
 import io
 
-from pydantic import validate_arguments, ValidationError
+from pydantic.v1 import validate_arguments, ValidationError
 from typing_extensions import Annotated
 
 from linebot.v3.webhooks.models.callback_request import CallbackRequest
diff --git a/linebot/v3/webhooks/api_response.py b/linebot/v3/webhooks/api_response.py
index d81c2ff58..5cc59478a 100644
--- a/linebot/v3/webhooks/api_response.py
+++ b/linebot/v3/webhooks/api_response.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 from typing import Any, Dict, Optional
-from pydantic import Field, StrictInt, StrictStr
+from pydantic.v1 import Field, StrictInt, StrictStr
 
 class ApiResponse:
     """
diff --git a/linebot/v3/webhooks/models/account_link_event.py b/linebot/v3/webhooks/models/account_link_event.py
index a6437b111..81bd65fd4 100644
--- a/linebot/v3/webhooks/models/account_link_event.py
+++ b/linebot/v3/webhooks/models/account_link_event.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -60,13 +60,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of link
+        # override the default output from pydantic.v1 by calling `to_dict()` of link
         if self.link:
             _dict['link'] = self.link.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/action_result.py b/linebot/v3/webhooks/models/action_result.py
index 5bb36b3fa..3d3fa01f9 100644
--- a/linebot/v3/webhooks/models/action_result.py
+++ b/linebot/v3/webhooks/models/action_result.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, validator
 
 class ActionResult(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/activated_event.py b/linebot/v3/webhooks/models/activated_event.py
index e254fedeb..86b6881e3 100644
--- a/linebot/v3/webhooks/models/activated_event.py
+++ b/linebot/v3/webhooks/models/activated_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field
+from pydantic.v1 import BaseModel, Field
 from linebot.v3.webhooks.models.chat_control import ChatControl
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
@@ -59,13 +59,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of chat_control
+        # override the default output from pydantic.v1 by calling `to_dict()` of chat_control
         if self.chat_control:
             _dict['chatControl'] = self.chat_control.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/all_mentionee.py b/linebot/v3/webhooks/models/all_mentionee.py
index a66ec56c1..adb631ede 100644
--- a/linebot/v3/webhooks/models/all_mentionee.py
+++ b/linebot/v3/webhooks/models/all_mentionee.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.webhooks.models.mentionee import Mentionee
 
 class AllMentionee(Mentionee):
diff --git a/linebot/v3/webhooks/models/attached_module_content.py b/linebot/v3/webhooks/models/attached_module_content.py
index 11707b97e..03dd4a0b7 100644
--- a/linebot/v3/webhooks/models/attached_module_content.py
+++ b/linebot/v3/webhooks/models/attached_module_content.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.webhooks.models.module_content import ModuleContent
 
 class AttachedModuleContent(ModuleContent):
diff --git a/linebot/v3/webhooks/models/audio_message_content.py b/linebot/v3/webhooks/models/audio_message_content.py
index 976984313..d0dc728f9 100644
--- a/linebot/v3/webhooks/models/audio_message_content.py
+++ b/linebot/v3/webhooks/models/audio_message_content.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 from linebot.v3.webhooks.models.content_provider import ContentProvider
 from linebot.v3.webhooks.models.message_content import MessageContent
 
@@ -58,7 +58,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of content_provider
+        # override the default output from pydantic.v1 by calling `to_dict()` of content_provider
         if self.content_provider:
             _dict['contentProvider'] = self.content_provider.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/beacon_content.py b/linebot/v3/webhooks/models/beacon_content.py
index c78a8afc0..21c9f87fd 100644
--- a/linebot/v3/webhooks/models/beacon_content.py
+++ b/linebot/v3/webhooks/models/beacon_content.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, validator
 
 class BeaconContent(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/beacon_event.py b/linebot/v3/webhooks/models/beacon_event.py
index ca22e2df9..9b3029785 100644
--- a/linebot/v3/webhooks/models/beacon_event.py
+++ b/linebot/v3/webhooks/models/beacon_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.beacon_content import BeaconContent
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
@@ -60,13 +60,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of beacon
+        # override the default output from pydantic.v1 by calling `to_dict()` of beacon
         if self.beacon:
             _dict['beacon'] = self.beacon.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/bot_resumed_event.py b/linebot/v3/webhooks/models/bot_resumed_event.py
index 21c663b0a..73aba98ad 100644
--- a/linebot/v3/webhooks/models/bot_resumed_event.py
+++ b/linebot/v3/webhooks/models/bot_resumed_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -57,10 +57,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/bot_suspended_event.py b/linebot/v3/webhooks/models/bot_suspended_event.py
index b8f51f1c2..86409d413 100644
--- a/linebot/v3/webhooks/models/bot_suspended_event.py
+++ b/linebot/v3/webhooks/models/bot_suspended_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -57,10 +57,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/callback_request.py b/linebot/v3/webhooks/models/callback_request.py
index 5d73a8037..4e82c90bf 100644
--- a/linebot/v3/webhooks/models/callback_request.py
+++ b/linebot/v3/webhooks/models/callback_request.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, conlist, constr, validator
+from pydantic.v1 import BaseModel, Field, conlist, constr, validator
 from linebot.v3.webhooks.models.event import Event
 
 class CallbackRequest(BaseModel):
@@ -66,7 +66,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in events (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in events (list)
         _items = []
         if self.events:
             for _item in self.events:
diff --git a/linebot/v3/webhooks/models/chat_control.py b/linebot/v3/webhooks/models/chat_control.py
index b43502a55..ae640f151 100644
--- a/linebot/v3/webhooks/models/chat_control.py
+++ b/linebot/v3/webhooks/models/chat_control.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictInt
+from pydantic.v1 import BaseModel, Field, StrictInt
 
 class ChatControl(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/content_provider.py b/linebot/v3/webhooks/models/content_provider.py
index d48ddc4d4..0b7132b8f 100644
--- a/linebot/v3/webhooks/models/content_provider.py
+++ b/linebot/v3/webhooks/models/content_provider.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, validator
 
 class ContentProvider(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/deactivated_event.py b/linebot/v3/webhooks/models/deactivated_event.py
index 5deef425a..d5bda8300 100644
--- a/linebot/v3/webhooks/models/deactivated_event.py
+++ b/linebot/v3/webhooks/models/deactivated_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -57,10 +57,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/delivery_context.py b/linebot/v3/webhooks/models/delivery_context.py
index 505fbbe40..9981df37c 100644
--- a/linebot/v3/webhooks/models/delivery_context.py
+++ b/linebot/v3/webhooks/models/delivery_context.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictBool
+from pydantic.v1 import BaseModel, Field, StrictBool
 
 class DeliveryContext(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/detached_module_content.py b/linebot/v3/webhooks/models/detached_module_content.py
index c83a6f026..04d73c6bf 100644
--- a/linebot/v3/webhooks/models/detached_module_content.py
+++ b/linebot/v3/webhooks/models/detached_module_content.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, validator
 from linebot.v3.webhooks.models.module_content import ModuleContent
 
 class DetachedModuleContent(ModuleContent):
diff --git a/linebot/v3/webhooks/models/emoji.py b/linebot/v3/webhooks/models/emoji.py
index 86ae91fde..fe5befb90 100644
--- a/linebot/v3/webhooks/models/emoji.py
+++ b/linebot/v3/webhooks/models/emoji.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class Emoji(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/event.py b/linebot/v3/webhooks/models/event.py
index e9c836922..db0195154 100644
--- a/linebot/v3/webhooks/models/event.py
+++ b/linebot/v3/webhooks/models/event.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event_mode import EventMode
 from linebot.v3.webhooks.models.source import Source
@@ -96,10 +96,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/file_message_content.py b/linebot/v3/webhooks/models/file_message_content.py
index ac2c4e7d8..71bae4581 100644
--- a/linebot/v3/webhooks/models/file_message_content.py
+++ b/linebot/v3/webhooks/models/file_message_content.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 from linebot.v3.webhooks.models.message_content import MessageContent
 
 class FileMessageContent(MessageContent):
diff --git a/linebot/v3/webhooks/models/follow_event.py b/linebot/v3/webhooks/models/follow_event.py
index 356c9c4a1..8c014fbdc 100644
--- a/linebot/v3/webhooks/models/follow_event.py
+++ b/linebot/v3/webhooks/models/follow_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -58,10 +58,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/group_source.py b/linebot/v3/webhooks/models/group_source.py
index 4b5f9a541..293640027 100644
--- a/linebot/v3/webhooks/models/group_source.py
+++ b/linebot/v3/webhooks/models/group_source.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.source import Source
 
 class GroupSource(Source):
diff --git a/linebot/v3/webhooks/models/image_message_content.py b/linebot/v3/webhooks/models/image_message_content.py
index 9047beb30..48266906c 100644
--- a/linebot/v3/webhooks/models/image_message_content.py
+++ b/linebot/v3/webhooks/models/image_message_content.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.content_provider import ContentProvider
 from linebot.v3.webhooks.models.image_set import ImageSet
 from linebot.v3.webhooks.models.message_content import MessageContent
@@ -59,10 +59,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of content_provider
+        # override the default output from pydantic.v1 by calling `to_dict()` of content_provider
         if self.content_provider:
             _dict['contentProvider'] = self.content_provider.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of image_set
+        # override the default output from pydantic.v1 by calling `to_dict()` of image_set
         if self.image_set:
             _dict['imageSet'] = self.image_set.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/image_set.py b/linebot/v3/webhooks/models/image_set.py
index 775cc8ddf..2af9a9b33 100644
--- a/linebot/v3/webhooks/models/image_set.py
+++ b/linebot/v3/webhooks/models/image_set.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class ImageSet(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/join_event.py b/linebot/v3/webhooks/models/join_event.py
index b7851b17a..eb15a1062 100644
--- a/linebot/v3/webhooks/models/join_event.py
+++ b/linebot/v3/webhooks/models/join_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -58,10 +58,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/joined_members.py b/linebot/v3/webhooks/models/joined_members.py
index f9cd9037c..01bb48bab 100644
--- a/linebot/v3/webhooks/models/joined_members.py
+++ b/linebot/v3/webhooks/models/joined_members.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.webhooks.models.user_source import UserSource
 
 class JoinedMembers(BaseModel):
@@ -54,7 +54,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in members (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in members (list)
         _items = []
         if self.members:
             for _item in self.members:
diff --git a/linebot/v3/webhooks/models/leave_event.py b/linebot/v3/webhooks/models/leave_event.py
index 4c7c08135..d6d15f513 100644
--- a/linebot/v3/webhooks/models/leave_event.py
+++ b/linebot/v3/webhooks/models/leave_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -57,10 +57,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/left_members.py b/linebot/v3/webhooks/models/left_members.py
index 7dc1d5312..f481789b4 100644
--- a/linebot/v3/webhooks/models/left_members.py
+++ b/linebot/v3/webhooks/models/left_members.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.webhooks.models.user_source import UserSource
 
 class LeftMembers(BaseModel):
@@ -54,7 +54,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in members (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in members (list)
         _items = []
         if self.members:
             for _item in self.members:
diff --git a/linebot/v3/webhooks/models/link_content.py b/linebot/v3/webhooks/models/link_content.py
index b965b08bc..ae6c55eb9 100644
--- a/linebot/v3/webhooks/models/link_content.py
+++ b/linebot/v3/webhooks/models/link_content.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, validator
 
 class LinkContent(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/link_things_content.py b/linebot/v3/webhooks/models/link_things_content.py
index b0848d330..4acf4ac69 100644
--- a/linebot/v3/webhooks/models/link_things_content.py
+++ b/linebot/v3/webhooks/models/link_things_content.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.things_content import ThingsContent
 
 class LinkThingsContent(ThingsContent):
diff --git a/linebot/v3/webhooks/models/location_message_content.py b/linebot/v3/webhooks/models/location_message_content.py
index faa2fa157..e90aa68d0 100644
--- a/linebot/v3/webhooks/models/location_message_content.py
+++ b/linebot/v3/webhooks/models/location_message_content.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional, Union
-from pydantic import BaseModel, Field, StrictFloat, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictFloat, StrictInt, StrictStr
 from linebot.v3.webhooks.models.message_content import MessageContent
 
 class LocationMessageContent(MessageContent):
diff --git a/linebot/v3/webhooks/models/member_joined_event.py b/linebot/v3/webhooks/models/member_joined_event.py
index 0bebbd334..03c7149c8 100644
--- a/linebot/v3/webhooks/models/member_joined_event.py
+++ b/linebot/v3/webhooks/models/member_joined_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -60,13 +60,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of joined
+        # override the default output from pydantic.v1 by calling `to_dict()` of joined
         if self.joined:
             _dict['joined'] = self.joined.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/member_left_event.py b/linebot/v3/webhooks/models/member_left_event.py
index 52391b60e..bc9b5446e 100644
--- a/linebot/v3/webhooks/models/member_left_event.py
+++ b/linebot/v3/webhooks/models/member_left_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field
+from pydantic.v1 import BaseModel, Field
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -59,13 +59,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of left
+        # override the default output from pydantic.v1 by calling `to_dict()` of left
         if self.left:
             _dict['left'] = self.left.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/mention.py b/linebot/v3/webhooks/models/mention.py
index f0bada819..468ed87ab 100644
--- a/linebot/v3/webhooks/models/mention.py
+++ b/linebot/v3/webhooks/models/mention.py
@@ -19,7 +19,7 @@
 
 
 from typing import List
-from pydantic import BaseModel, Field, conlist
+from pydantic.v1 import BaseModel, Field, conlist
 from linebot.v3.webhooks.models.mentionee import Mentionee
 
 class Mention(BaseModel):
@@ -54,7 +54,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in mentionees (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in mentionees (list)
         _items = []
         if self.mentionees:
             for _item in self.mentionees:
diff --git a/linebot/v3/webhooks/models/mentionee.py b/linebot/v3/webhooks/models/mentionee.py
index 79ec48f68..88a0ec26a 100644
--- a/linebot/v3/webhooks/models/mentionee.py
+++ b/linebot/v3/webhooks/models/mentionee.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 
 class Mentionee(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/message_content.py b/linebot/v3/webhooks/models/message_content.py
index eb4cbddd6..56be98138 100644
--- a/linebot/v3/webhooks/models/message_content.py
+++ b/linebot/v3/webhooks/models/message_content.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class MessageContent(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/message_event.py b/linebot/v3/webhooks/models/message_event.py
index 5f7b99eca..bc571178a 100644
--- a/linebot/v3/webhooks/models/message_event.py
+++ b/linebot/v3/webhooks/models/message_event.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -60,13 +60,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of message
+        # override the default output from pydantic.v1 by calling `to_dict()` of message
         if self.message:
             _dict['message'] = self.message.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/module_content.py b/linebot/v3/webhooks/models/module_content.py
index 773b1453f..19fe6a84d 100644
--- a/linebot/v3/webhooks/models/module_content.py
+++ b/linebot/v3/webhooks/models/module_content.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ModuleContent(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/module_event.py b/linebot/v3/webhooks/models/module_event.py
index f9bf0efd1..c4d3df828 100644
--- a/linebot/v3/webhooks/models/module_event.py
+++ b/linebot/v3/webhooks/models/module_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field
+from pydantic.v1 import BaseModel, Field
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -59,13 +59,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of module
+        # override the default output from pydantic.v1 by calling `to_dict()` of module
         if self.module:
             _dict['module'] = self.module.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/postback_content.py b/linebot/v3/webhooks/models/postback_content.py
index cd9bc3a28..fe1b82306 100644
--- a/linebot/v3/webhooks/models/postback_content.py
+++ b/linebot/v3/webhooks/models/postback_content.py
@@ -19,7 +19,7 @@
 
 
 from typing import Dict, Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class PostbackContent(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/postback_event.py b/linebot/v3/webhooks/models/postback_event.py
index 0d365b4c3..e2af0dcca 100644
--- a/linebot/v3/webhooks/models/postback_event.py
+++ b/linebot/v3/webhooks/models/postback_event.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -60,13 +60,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of postback
+        # override the default output from pydantic.v1 by calling `to_dict()` of postback
         if self.postback:
             _dict['postback'] = self.postback.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/room_source.py b/linebot/v3/webhooks/models/room_source.py
index cff3c9491..99fea273e 100644
--- a/linebot/v3/webhooks/models/room_source.py
+++ b/linebot/v3/webhooks/models/room_source.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.source import Source
 
 class RoomSource(Source):
diff --git a/linebot/v3/webhooks/models/scenario_result.py b/linebot/v3/webhooks/models/scenario_result.py
index ff3698668..6e84fc448 100644
--- a/linebot/v3/webhooks/models/scenario_result.py
+++ b/linebot/v3/webhooks/models/scenario_result.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr, conlist
 from linebot.v3.webhooks.models.action_result import ActionResult
 
 class ScenarioResult(BaseModel):
@@ -62,7 +62,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in action_results (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in action_results (list)
         _items = []
         if self.action_results:
             for _item in self.action_results:
diff --git a/linebot/v3/webhooks/models/scenario_result_things_content.py b/linebot/v3/webhooks/models/scenario_result_things_content.py
index 128d72dd1..6c8494ae8 100644
--- a/linebot/v3/webhooks/models/scenario_result_things_content.py
+++ b/linebot/v3/webhooks/models/scenario_result_things_content.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.scenario_result import ScenarioResult
 from linebot.v3.webhooks.models.things_content import ThingsContent
 
@@ -57,7 +57,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of result
+        # override the default output from pydantic.v1 by calling `to_dict()` of result
         if self.result:
             _dict['result'] = self.result.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/source.py b/linebot/v3/webhooks/models/source.py
index 5ed12b528..8a308f2e9 100644
--- a/linebot/v3/webhooks/models/source.py
+++ b/linebot/v3/webhooks/models/source.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class Source(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/sticker_message_content.py b/linebot/v3/webhooks/models/sticker_message_content.py
index 5177456d4..bfd16aefa 100644
--- a/linebot/v3/webhooks/models/sticker_message_content.py
+++ b/linebot/v3/webhooks/models/sticker_message_content.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist, constr, validator
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist, constr, validator
 from linebot.v3.webhooks.models.message_content import MessageContent
 
 class StickerMessageContent(MessageContent):
diff --git a/linebot/v3/webhooks/models/text_message_content.py b/linebot/v3/webhooks/models/text_message_content.py
index 56ae0a43e..afd03199c 100644
--- a/linebot/v3/webhooks/models/text_message_content.py
+++ b/linebot/v3/webhooks/models/text_message_content.py
@@ -19,7 +19,7 @@
 
 
 from typing import List, Optional
-from pydantic import BaseModel, Field, StrictStr, conlist
+from pydantic.v1 import BaseModel, Field, StrictStr, conlist
 from linebot.v3.webhooks.models.emoji import Emoji
 from linebot.v3.webhooks.models.mention import Mention
 from linebot.v3.webhooks.models.message_content import MessageContent
@@ -60,14 +60,14 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of each item in emojis (list)
+        # override the default output from pydantic.v1 by calling `to_dict()` of each item in emojis (list)
         _items = []
         if self.emojis:
             for _item in self.emojis:
                 if _item:
                     _items.append(_item.to_dict())
             _dict['emojis'] = _items
-        # override the default output from pydantic by calling `to_dict()` of mention
+        # override the default output from pydantic.v1 by calling `to_dict()` of mention
         if self.mention:
             _dict['mention'] = self.mention.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/things_content.py b/linebot/v3/webhooks/models/things_content.py
index 684ec7715..7b88f179c 100644
--- a/linebot/v3/webhooks/models/things_content.py
+++ b/linebot/v3/webhooks/models/things_content.py
@@ -20,7 +20,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class ThingsContent(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/things_event.py b/linebot/v3/webhooks/models/things_event.py
index b4b054ac9..6788cac7d 100644
--- a/linebot/v3/webhooks/models/things_event.py
+++ b/linebot/v3/webhooks/models/things_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -60,13 +60,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of things
+        # override the default output from pydantic.v1 by calling `to_dict()` of things
         if self.things:
             _dict['things'] = self.things.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/unfollow_event.py b/linebot/v3/webhooks/models/unfollow_event.py
index 010e29622..86e4bce63 100644
--- a/linebot/v3/webhooks/models/unfollow_event.py
+++ b/linebot/v3/webhooks/models/unfollow_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -57,10 +57,10 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/unlink_things_content.py b/linebot/v3/webhooks/models/unlink_things_content.py
index 2a4c5e9e4..17ace661c 100644
--- a/linebot/v3/webhooks/models/unlink_things_content.py
+++ b/linebot/v3/webhooks/models/unlink_things_content.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.things_content import ThingsContent
 
 class UnlinkThingsContent(ThingsContent):
diff --git a/linebot/v3/webhooks/models/unsend_detail.py b/linebot/v3/webhooks/models/unsend_detail.py
index 4b51c9230..c9683807f 100644
--- a/linebot/v3/webhooks/models/unsend_detail.py
+++ b/linebot/v3/webhooks/models/unsend_detail.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class UnsendDetail(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/unsend_event.py b/linebot/v3/webhooks/models/unsend_event.py
index b6a907794..6f4c0cd6e 100644
--- a/linebot/v3/webhooks/models/unsend_event.py
+++ b/linebot/v3/webhooks/models/unsend_event.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -59,13 +59,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of unsend
+        # override the default output from pydantic.v1 by calling `to_dict()` of unsend
         if self.unsend:
             _dict['unsend'] = self.unsend.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/user_mentionee.py b/linebot/v3/webhooks/models/user_mentionee.py
index a10b3dc26..152d563a1 100644
--- a/linebot/v3/webhooks/models/user_mentionee.py
+++ b/linebot/v3/webhooks/models/user_mentionee.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.mentionee import Mentionee
 
 class UserMentionee(Mentionee):
diff --git a/linebot/v3/webhooks/models/user_source.py b/linebot/v3/webhooks/models/user_source.py
index 016fa2e3b..3afa60735 100644
--- a/linebot/v3/webhooks/models/user_source.py
+++ b/linebot/v3/webhooks/models/user_source.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.source import Source
 
 class UserSource(Source):
diff --git a/linebot/v3/webhooks/models/video_message_content.py b/linebot/v3/webhooks/models/video_message_content.py
index 49c0b3378..f7655ab77 100644
--- a/linebot/v3/webhooks/models/video_message_content.py
+++ b/linebot/v3/webhooks/models/video_message_content.py
@@ -19,7 +19,7 @@
 
 
 from typing import Optional
-from pydantic import BaseModel, Field, StrictInt, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictInt, StrictStr
 from linebot.v3.webhooks.models.content_provider import ContentProvider
 from linebot.v3.webhooks.models.message_content import MessageContent
 
@@ -58,7 +58,7 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of content_provider
+        # override the default output from pydantic.v1 by calling `to_dict()` of content_provider
         if self.content_provider:
             _dict['contentProvider'] = self.content_provider.to_dict()
         return _dict
diff --git a/linebot/v3/webhooks/models/video_play_complete.py b/linebot/v3/webhooks/models/video_play_complete.py
index 9132dcafb..3c62758d8 100644
--- a/linebot/v3/webhooks/models/video_play_complete.py
+++ b/linebot/v3/webhooks/models/video_play_complete.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 
 class VideoPlayComplete(BaseModel):
     """
diff --git a/linebot/v3/webhooks/models/video_play_complete_event.py b/linebot/v3/webhooks/models/video_play_complete_event.py
index c5b3c41e3..cd6837b74 100644
--- a/linebot/v3/webhooks/models/video_play_complete_event.py
+++ b/linebot/v3/webhooks/models/video_play_complete_event.py
@@ -19,7 +19,7 @@
 
 
 
-from pydantic import BaseModel, Field, StrictStr
+from pydantic.v1 import BaseModel, Field, StrictStr
 from linebot.v3.webhooks.models.delivery_context import DeliveryContext
 from linebot.v3.webhooks.models.event import Event
 from linebot.v3.webhooks.models.event_mode import EventMode
@@ -60,13 +60,13 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of source
+        # override the default output from pydantic.v1 by calling `to_dict()` of source
         if self.source:
             _dict['source'] = self.source.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of delivery_context
+        # override the default output from pydantic.v1 by calling `to_dict()` of delivery_context
         if self.delivery_context:
             _dict['deliveryContext'] = self.delivery_context.to_dict()
-        # override the default output from pydantic by calling `to_dict()` of video_play_complete
+        # override the default output from pydantic.v1 by calling `to_dict()` of video_play_complete
         if self.video_play_complete:
             _dict['videoPlayComplete'] = self.video_play_complete.to_dict()
         return _dict
diff --git a/requirements.txt b/requirements.txt
index b9077f397..da39efd44 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 requests ==2.31.0
 aiohttp ==3.8.5
 future
-pydantic >= 1.10.5, < 2
+pydantic >=2.0.3, <3
 aenum >= 3.1.11
 python_dateutil >= 2.5.3
 Deprecated