diff --git a/requirements.txt b/requirements.txt
index 991c2418..d9519164 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ gcloud==0.17.0
 googleapis-common-protos==1.52.0
 gunicorn==20.0.4
 html5lib==1.1
-httplib2==0.18.1
+httplib2==0.19.0
 idna==2.10
 jdcal==1.4.1
 jwcrypto==0.7