diff --git a/requirements.txt b/requirements.txt
index ea583ff..e5290fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ googledatastore==7.0.2
 grpc-google-iam-v1==0.11.4
 grpcio==1.18.0
 hdfs==2.2.2
-httplib2==0.11.3
+httplib2==0.19.0
 idna==2.8
 mock==2.0.0
 monotonic==1.5