diff --git a/test-requirements.txt b/test-requirements.txt
index 69ba46a64..a4d6a5d9e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@
 coverage>=4.5.1 # Apache-2.0
 doc8>=0.8.0 # Apache-2.0
 freezegun>=0.3.10 # Apache-2.0
-hacking>=3.0,<3.1.0 # Apache-2.0
+hacking>=3.0.1,<3.1.0 # Apache-2.0
 mock>=2.0.0 # BSD
 oslotest>=3.3.0 # Apache-2.0
 os-testr>=1.0.0 # Apache-2.0