diff --git a/test-requirements.txt b/test-requirements.txt
index 96d9f67..a66f4d7 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@
 # Testing Requirements
 http://tarballs.openstack.org/horizon/horizon-master.tar.gz#egg=horizon
 
-hacking<0.11,>=0.10.2 # Apache-2.0
+hacking>=0.12.0,!=0.13.0,<0.14  # Apache-2.0
 coverage>=4.0 # Apache-2.0
 django-nose>=1.4.4 # BSD
 mock>=2.0 # BSD