diff --git a/requirements.txt b/requirements.txt
index b29dbcc..cf5a99e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ gunicorn==19.7.1
 h5py==2.7.1
 HeapDict==1.0.0
 html5lib==0.999999999
-httplib2==0.10.3
+httplib2==0.18.0
 idna==2.6
 imagesize==0.7.1
 ipykernel==4.6.1