diff --git a/requirements.txt b/requirements.txt
index 8e0d728..9db47d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ google-resumable-media==0.3.1
 googleapis-common-protos==1.5.3
 grpc-google-iam-v1==0.11.4
 grpcio==1.10.0
-httplib2==0.10.3
+httplib2==0.19.0
 idna==2.6
 matplotlib==2.1.2
 networkx==2.1