diff --git a/requirements.txt b/requirements.txt
index 2d4529b..ad0f50d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Flask-Social==1.6.2
 Flask-SQLAlchemy==2.4.0
 Flask-WTF==0.14.2
 gunicorn==19.9.0
-httplib2==0.13.0
+httplib2==0.18.0
 itsdangerous==1.1.0
 Jinja2==2.10.1
 logilab-common==1.4.2