diff --git a/src/chainlit/action.py b/src/chainlit/action.py
index 0c92c809d0..566b2fb5c0 100644
--- a/src/chainlit/action.py
+++ b/src/chainlit/action.py
@@ -1,15 +1,14 @@
 from typing import Optional
 
-from dataclasses_json import dataclass_json
+from dataclasses_json import DataClassJsonMixin
 from pydantic.dataclasses import dataclass
 
 from chainlit.context import get_emitter
 from chainlit.telemetry import trace_event
 
 
-@dataclass_json
 @dataclass
-class Action:
+class Action(DataClassJsonMixin):
     # Name of the action, this should be used in the action_callback
     name: str
     # The value associated with the action. This is useful to differentiate between multiple actions with the same name.
diff --git a/src/chainlit/client/base.py b/src/chainlit/client/base.py
index 681a72c0e5..d855daa4d2 100644
--- a/src/chainlit/client/base.py
+++ b/src/chainlit/client/base.py
@@ -11,7 +11,7 @@
     Union,
 )
 
-from dataclasses_json import dataclass_json
+from dataclasses_json import DataClassJsonMixin
 from pydantic.dataclasses import dataclass
 
 from chainlit.types import (
@@ -77,9 +77,8 @@ class PageInfo:
 T = TypeVar("T")
 
 
-@dataclass_json
 @dataclass
-class PaginatedResponse(Generic[T]):
+class PaginatedResponse(DataClassJsonMixin, Generic[T]):
     pageInfo: PageInfo
     data: List[T]
 
diff --git a/src/chainlit/config.py b/src/chainlit/config.py
index f1084314c1..66d3848dd6 100644
--- a/src/chainlit/config.py
+++ b/src/chainlit/config.py
@@ -4,7 +4,7 @@
 from typing import TYPE_CHECKING, Any, Callable, Dict, List, Literal, Optional, Union
 
 import tomli
-from dataclasses_json import dataclass_json
+from dataclasses_json import DataClassJsonMixin
 from pydantic.dataclasses import dataclass
 
 from chainlit.logger import logger
@@ -109,32 +109,28 @@ class RunSettings:
     ci: bool = False
 
 
-@dataclass_json
 @dataclass()
-class PaletteOptions:
+class PaletteOptions(DataClassJsonMixin):
     main: Optional[str] = ""
     light: Optional[str] = ""
     dark: Optional[str] = ""
 
 
-@dataclass_json
 @dataclass()
-class Palette:
+class Palette(DataClassJsonMixin):
     primary: PaletteOptions = None
     background: Optional[str] = ""
     paper: Optional[str] = ""
 
 
-@dataclass_json
 @dataclass()
-class Theme:
+class Theme(DataClassJsonMixin):
     light: Palette = None
     dark: Palette = None
 
 
-@dataclass_json
 @dataclass()
-class UISettings:
+class UISettings(DataClassJsonMixin):
     name: str
     description: str = ""
     hide_cot: bool = False
@@ -171,9 +167,8 @@ def validate(self):
         return True
 
 
-@dataclass_json
 @dataclass()
-class ProjectSettings:
+class ProjectSettings(DataClassJsonMixin):
     # Enables Cloud features if provided
     id: Optional[str] = None
     # Whether the app is available to anonymous users or only to team members.
diff --git a/src/chainlit/types.py b/src/chainlit/types.py
index 34bf0397bb..8b7a078811 100644
--- a/src/chainlit/types.py
+++ b/src/chainlit/types.py
@@ -1,6 +1,6 @@
 from typing import Any, Dict, List, Literal, Optional, TypedDict, Union
 
-from dataclasses_json import dataclass_json
+from dataclasses_json import DataClassJsonMixin
 from pydantic import BaseModel
 from pydantic.dataclasses import dataclass
 
@@ -11,18 +11,16 @@
 ElementSize = Literal["small", "medium", "large"]
 
 
-@dataclass_json
 @dataclass
-class AskSpec:
+class AskSpec(DataClassJsonMixin):
     """Specification for asking the user."""
 
     timeout: int
     type: Literal["text", "file"]
 
 
-@dataclass_json
 @dataclass
-class AskFileSpec(AskSpec):
+class AskFileSpec(AskSpec, DataClassJsonMixin):
     """Specification for asking the user for a file."""
 
     accept: Union[List[str], Dict[str, List[str]]]
@@ -44,9 +42,8 @@ class AskFileResponse:
     content: bytes
 
 
-@dataclass_json
 @dataclass
-class LLMSettings:
+class LLMSettings(DataClassJsonMixin):
     model_name: str = "text-davinci-003"
     stop: Optional[List[str]] = None
     temperature: float = 0