diff --git a/test-requirements.txt b/test-requirements.txt
index 86f503a..a9d6ac9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,4 +2,4 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking>=0.10.0,<0.11
+hacking>=0.12.0,!=0.13.0,<0.14  # Apache-2.0