diff --git a/test-requirements.txt b/test-requirements.txt
index d379f1f0..d4d94529 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.
 # Metrics and style
-hacking<0.11,>=0.10.0
+hacking>=0.12.0,!=0.13.0,<0.14  # Apache-2.0
 
 # Packaging
 mock>=2.0 # BSD