diff --git a/tox.ini b/tox.ini
index a2173db..86b4088 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,7 @@ setenv = VIRTUAL_ENV={envdir}
 whitelist_externals = find
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-       http://tarballs.openstack.org/horizon/horizon-master.tar.gz
+       http://tarballs.openstack.org/horizon/horizon-stable-mitaka.tar.gz
 
 commands =
     find . -type f -name "*.pyc" -delete