diff --git a/environment/requirements.txt b/environment/requirements.txt
index 6ad9b6d5..38fc1af9 100644
--- a/environment/requirements.txt
+++ b/environment/requirements.txt
@@ -31,7 +31,7 @@ grpcio==1.16.1
 gtimer==1.0.0b5
 git+https://github.com/openai/gym.git@f380a0e871ae7fa9593fb452433ee9055ddf02eb
 h5py==2.8.0
-httplib2==0.12.0
+httplib2==0.19.0
 idna==2.7
 ipdb>=0.12
 imageio==2.4.1