diff --git a/requirements.txt b/requirements.txt
index 0b04e4f..d11c851 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ gevent-socketio==0.3.6
 gevent-websocket==0.10.1
 greenlet==0.4.12
 gunicorn==19.7.1
-httplib2==0.10.3
+httplib2==0.18.0
 idna==2.6
 infinity==1.4
 intervals==0.8.0