diff --git a/g-cloud/requirements.txt b/g-cloud/requirements.txt
index 54cb0b2..f17c9b0 100644
--- a/g-cloud/requirements.txt
+++ b/g-cloud/requirements.txt
@@ -95,7 +95,7 @@ h5py==2.10.0
 hdfs==2.5.8
 HeapDict==1.0.1
 html5lib==1.0.1
-httplib2==0.12.0
+httplib2==0.19.0
 hypothesis==5.5.4
 idna==2.8
 imageio==2.6.1