diff --git a/test-requirements.txt b/test-requirements.txt
index 8c24197486..3ff2837685 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.
 
-hacking>=1.1.0 # Apache-2.0
+hacking>=1.1.0,<2.0.0 # Apache-2.0
 
 PyMySQL>=0.7.6 # MIT License
 bandit>=1.1.0,<1.6.0 # Apache-2.0