diff --git a/test-requirements.txt b/test-requirements.txt
index 69c44aab7e..11b3bc466b 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 # NOTE: These are requirements for testing the requirements project only
 #       See global-requirements for the actual requirements list
-hacking<0.13,>=0.10
+hacking>=0.12.0,!=0.13.0,<0.14  # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT