diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index 1e9a5ee..9ea789f 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -24,4 +24,4 @@ jobs:
         pip install pylint
     - name: Analysing the code with pylint
       run: |
-        pylint --disable=E0401,C0103,R0914,R0913 $(git ls-files '*.py')
+        pylint --disable=E0401,C0103,R0914,R0913,R0902,R0912,R0915 $(git ls-files '*.py')
diff --git a/chatgee/base/chatgee.py b/chatgee/base/chatgee.py
index dea1ade..039e89b 100644
--- a/chatgee/base/chatgee.py
+++ b/chatgee/base/chatgee.py
@@ -6,8 +6,8 @@
 import queue as q
 import threading
 import time
-import requests
 from datetime import datetime
+import requests
 
 import tiktoken
 
@@ -63,7 +63,7 @@ def prompt_received(self, content):
         if self.callback_option:
             self.callbackUrl = content['userRequest']['callbackUrl']
             callback_flag = True
-            
+
         # Check user
         new_user_flag = False
         userid = content['userRequest']['user']['id'] # userid is saved as 'room' in user_data.db
@@ -117,7 +117,8 @@ def prompt_received(self, content):
             # If callback respond 'useCallback' as 'true'
             if callback_flag:
                 request_queue = q.Queue()
-                request_respond = threading.Thread(target=self.prompt, args=(request_queue, '', callback_flag))
+                request_respond = threading.Thread(target=self.prompt,
+                                                   args=(request_queue, '', callback_flag))
                 request_respond.start()
                 request_queue.put(content)
                 response = {'version': '2.0', 'useCallback': "true"}
@@ -134,7 +135,8 @@ def prompt_received(self, content):
                 # trigger the prompt request
                 request_queue.put(content)
                 # Retreive the response
-                while time.time() - start_time < self.ChatGee_Config['SETTINGS']['RESPONSE_SAFE_TIME']:
+                while time.time() - start_time \
+                    < self.ChatGee_Config['SETTINGS']['RESPONSE_SAFE_TIME']:
                     if not response_queue.empty():
                         # Function A returned a result
                         response = response_queue.get()
@@ -178,7 +180,7 @@ def prompt(self, request_queue, response_queue, callback_flag):
         if callback_flag:
             headers = {'Content-Type': 'application/json; charset=utf-8'}
             result['useCallback'] = True
-            success = requests.post(self.callbackUrl, json=result, headers=headers)
+            requests.post(self.callbackUrl, json=result, headers=headers, timeout=5)
         else:
             response_queue.put(result)
 
diff --git a/pytest_chatgee.py b/pytest_chatgee.py
index eeaf75b..fbb42c6 100644
--- a/pytest_chatgee.py
+++ b/pytest_chatgee.py
@@ -31,6 +31,7 @@ def test_prompt(client):
             },
             "userRequest": {
                 "timezone": "Asia/Seoul",
+                "utterance": "hello there?!",
                 "params": {
                 "ignoreMe": "true"
                 },
diff --git a/requirements.txt b/requirements.txt
index 79fca67..c59d606 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,27 +3,37 @@ aiosignal==1.3.1
 async-timeout==4.0.2
 attrs==22.2.0
 backoff==2.2.1
+blinker==1.6.2
 certifi==2022.12.7
 charset-normalizer==3.1.0
 click==8.1.3
 colorama==0.4.6
 distlib==0.3.6
+exceptiongroup==1.1.2
 filelock==3.10.6
-Flask==2.2.3
+Flask==2.3.2
 frozenlist==1.3.3
 idna==3.4
+importlib-metadata==6.8.0
+iniconfig==2.0.0
 itsdangerous==2.1.2
 Jinja2==3.1.2
 MarkupSafe==2.1.2
 multidict==6.0.4
 openai==0.27.2
+packaging==23.1
 platformdirs==3.2.0
+pluggy==1.2.0
+prettier==0.0.7
+pytest==7.4.0
 PyYAML==6.0
 regex==2023.3.23
 requests==2.28.2
 tiktoken==0.3.2
+tomli==2.0.1
 tqdm==4.65.0
 urllib3==1.26.15
 virtualenv==20.21.0
-Werkzeug==2.2.3
+Werkzeug==2.3.6
 yarl==1.8.2
+zipp==3.16.0