diff --git a/test-requirements.txt b/test-requirements.txt
index 48cce47..59a930d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,7 @@
 coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 # Hacking already pins down pep8, pyflakes and flake8
-hacking>=3.0,<3.1.0 # Apache-2.0
+hacking>=3.0.1,<3.1.0 # Apache-2.0
 paunch>=4.0.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 requests-mock>=1.1.0 # Apache-2.0