diff --git a/test-requirements.txt b/test-requirements.txt
index fe96d84e..156a9550 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,7 +2,6 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 # Hacking already pins down pep8, pyflakes and flake8
-hacking<0.11,>=0.10.0
 coverage>=3.6 # Apache-2.0
 discover # BSD
 fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
diff --git a/tox.ini b/tox.ini
index b1d83cfa..40777e86 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,6 +13,7 @@ commands =
   python setup.py testr --slowest --testr-args='{posargs}'
 
 [testenv:pep8]
+deps = hacking<0.11,>=0.10.0
 commands = flake8
 
 [testenv:cover]