diff --git a/tests/test_handler_backends.py b/tests/test_handler_backends.py
index 638cb27..21cf8f9 100644
--- a/tests/test_handler_backends.py
+++ b/tests/test_handler_backends.py
@@ -64,9 +64,10 @@ def update_type(message):
     poll_answer = None
     my_chat_member = None
     chat_member = None
+    chat_join_request = None
     return types.Update(1001234038283, message, edited_message, channel_post, edited_channel_post, inline_query,
                         chosen_inline_result, callback_query, shipping_query, pre_checkout_query, poll, poll_answer,
-                        my_chat_member, chat_member)
+                        my_chat_member, chat_member, chat_join_request)
 
 
 @pytest.fixture()
@@ -83,9 +84,10 @@ def reply_to_message_update_type(reply_to_message):
     poll_answer = None
     my_chat_member = None
     chat_member = None
+    chat_join_request = None
     return types.Update(1001234038284, reply_to_message, edited_message, channel_post, edited_channel_post,
                         inline_query, chosen_inline_result, callback_query, shipping_query, pre_checkout_query, 
-                        poll, poll_answer, my_chat_member, chat_member)
+                        poll, poll_answer, my_chat_member, chat_member, chat_join_request)
 
 
 def next_handler(message):
diff --git a/tests/test_telebot.py b/tests/test_telebot.py
index 2426b0f..2976a9a 100644
--- a/tests/test_telebot.py
+++ b/tests/test_telebot.py
@@ -485,9 +485,10 @@ class TestTeleBot:
         poll_answer = None
         my_chat_member = None
         chat_member = None
+        chat_join_request = None
         return types.Update(-1001234038283, message, edited_message, channel_post, edited_channel_post, inline_query,
                             chosen_inline_result, callback_query, shipping_query, pre_checkout_query, poll, poll_answer,
-                            my_chat_member, chat_member)
+                            my_chat_member, chat_member, chat_join_request)
 
     def test_is_string_unicode(self):
         s1 = u'string'