diff --git a/requirements.txt b/requirements.txt
index 7a4cc96..f51f7b5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ cryptography==1.9
 cycler==0.10.0
 Flask==0.12.2
 google-api-python-client==1.6.2
-httplib2==0.10.3
+httplib2==0.19.0
 idna==2.5
 incremental==17.5.0
 itsdangerous==0.24