diff --git a/requirements.txt b/requirements.txt
index 2024cf92..6d265d6b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ flask==0.10.1
 google
 html2text==2014.4.5
 html5lib==0.999
-httplib2==0.9.2
+httplib2==0.31.0
 images2gif
 itsdangerous
 jdcal==1.3