diff --git a/requirements.txt b/requirements.txt
index 747de87..2a8bec8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ future==0.18.2
 gast==0.2.0
 grpcio==1.14.2
 h5py==2.10.0
-httplib2==0.9.2
+httplib2==0.19.0
 idna==2.8
 imageio==2.6.1
 importlib-metadata==1.3.0