diff --git a/requirements.txt b/requirements.txt
index 3a60090..9d93816 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ google-cloud-storage==1.13.0
 google-resumable-media==0.3.1
 googleapis-common-protos==1.5.3
 gunicorn==19.9.0
-httplib2==0.11.3
+httplib2==0.19.0
 idna==2.7
 ipaddress==1.0.22
 itsdangerous==0.24