diff --git a/telebot/__init__.py b/telebot/__init__.py
index 38867ad..c182463 100644
--- a/telebot/__init__.py
+++ b/telebot/__init__.py
@@ -709,6 +709,7 @@ class TeleBot:
         :param parse_mode
         :param disable_notification:
         :param timeout:
+	:param thumb:
         :return: Message
         """
         return types.Message.de_json(
@@ -771,7 +772,7 @@ class TeleBot:
                 disable_notification, timeout))
 
     def send_video(self, chat_id, data, duration=None, caption=None, reply_to_message_id=None, reply_markup=None,
-                   parse_mode=None, supports_streaming=None, disable_notification=None, timeout=None):
+                   parse_mode=None, supports_streaming=None, disable_notification=None, timeout=None, thumb=None):
         """
         Use this method to send video files, Telegram clients support mp4 videos.
         :param chat_id: Integer : Unique identifier for the message recipient — User or GroupChat id
@@ -784,11 +785,12 @@ class TeleBot:
         :param reply_markup:
         :param disable_notification:
         :param timeout:
+	:param thumb:
         :return:
         """
         return types.Message.de_json(
             apihelper.send_video(self.token, chat_id, data, duration, caption, reply_to_message_id, reply_markup,
-                                 parse_mode, supports_streaming, disable_notification, timeout))
+                                 parse_mode, supports_streaming, disable_notification, timeout, thumb))
 
     def send_animation(self, chat_id, animation, duration=None, caption=None, reply_to_message_id=None, reply_markup=None,
                    parse_mode=None, disable_notification=None, timeout=None):