diff --git a/requirements.txt b/requirements.txt
index 389ea81..9723b67 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ google-resumable-media==0.2.1
 googleapis-common-protos==1.5.2
 grpc-google-iam-v1==0.11.1
 grpcio==1.4.0
-httplib2==0.10.3
+httplib2==0.19.0
 idna==2.5
 ipython==6.1.0
 ipython-genutils==0.2.0