diff --git a/requirements.txt b/requirements.txt
index d3ac682..9bb0b5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Django==1.8.11
 pymysql==0.6.7
 MarkupSafe==0.23
 Mako==1.0.4
-httplib2==0.9.1
+httplib2==0.18.0
 suds==0.4
 celery==3.1.18
 django-celery==3.2.1