diff --git a/requirements.txt b/requirements.txt
index 741370a..8a195af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ alembic==0.7.6
 beautifulsoup4==4.4.0
 blinker==1.3
 google-api-python-client==1.4.1
-httplib2==0.9.1
+httplib2==0.18.0
 itsdangerous==0.24
 oauth2client==1.4.12
 psycopg2==2.6.1