diff --git a/test-requirements.txt b/test-requirements.txt
index 8ca0299..3c93bdf 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 # hacking pins flake8 etc
-hacking>=3.0,<3.1.0  # Apache-2.0
+hacking>=3.0.1,<3.1.0  # Apache-2.0
 coverage>=4.0
 mock>=2.0.0
 pylint==2.4.0 # GPLv2