diff --git a/test-requirements.txt b/test-requirements.txt
index c86c4fb..ee73d05 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking<0.11,>=0.10.0
+hacking>=0.12.0,!=0.13.0,<0.14  # Apache-2.0
 
 http://tarballs.openstack.org/horizon/horizon-master.tar.gz#egg=horizon
 coverage>=4.0 # Apache-2.0