1 files changed, 1 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index a8b65c7..086fccb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,6 +13,7 @@ deps = -r{toxinidir}/requirements.txt
 commands = python setup.py testr --slowest --testr-args='{posargs}'
 
 [testenv:pep8]
+deps = hacking<0.11,>=0.10.0
 commands = flake8
 
 [testenv:venv]