diff --git a/requirements.txt b/requirements.txt
index d248e82..1e456c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ google-resumable-media==0.3.1
 googleapis-common-protos==1.5.3
 grpcio==1.7.3
 gunicorn==19.7.1
-httplib2==0.9.2
+httplib2==0.19.0
 idna==2.6
 itsdangerous==0.24
 Jinja2==2.9.5