diff --git a/tox.ini b/tox.ini
index 2964463..06d29de 100755
--- a/tox.ini
+++ b/tox.ini
@@ -4,6 +4,7 @@ envlist = py27,py33,py34,py35
 [testenv]
 deps =
     nose
+    setuptools>=6.1
 commands =
     python setup.py nosetests