diff --git a/test-requirements.txt b/test-requirements.txt
index 37d275ae..1e9a4728 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 bandit>=1.1.0 # Apache-2.0
 flake8<2.6.0,>=2.5.4 # MIT
-hacking>=3.0,<3.1.0 # Apache-2.0
+hacking>=3.0.1,<3.1.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 stestr>=1.0.0 # Apache-2.0