diff --git a/telebot/util.py b/telebot/util.py
index d4dd542..8e04267 100644
--- a/telebot/util.py
+++ b/telebot/util.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import threading
+import re
 import sys
 import six
 from six import string_types