diff --git a/requirements.txt b/requirements.txt
index 51a43f6..164c5ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ elasticsearch==2.3.0
 funcsigs==1.0.2
 gunicorn==19.3.0
 html5lib==0.999999
-httplib2==0.9.1
+httplib2==0.18.0
 idna==2.6
 iso8601==0.1.10
 isodate==0.5.1