diff --git a/test-requirements.txt b/test-requirements.txt
index 0c885d39..a3cd0c7f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,6 +4,7 @@
 
 hacking<0.11,>=0.10.0
 
+http://tarballs.openstack.org/horizon/horizon-master.tar.gz#egg=horizon
 coverage>=3.6
 discover
 python-subunit>=0.0.18