diff --git a/test-requirements.txt b/test-requirements.txt
index 82bdb4f..ac3aef7 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,4 +1,4 @@
-hacking<0.11,>=0.10.0
+hacking>=0.12.0,!=0.13.0,<0.14  # Apache-2.0
 git+https://github.com/openstack/ceilometer.git@stable/newton#egg=ceilometer
 mock>=1.2
 testrepository>=0.0.18