--- a/requirements.txt
+++ b/requirements.txt
@@ -33,6 +33,7 @@
 django-picklefield==0.1.4
 docutils==0.6
 elementtree==1.2.7-20070827-preview
+httplib2==0.4.0
 importlib==1.0.2
 ipython==0.10
 iso8601==0.1.4