1 files changed, 1 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 4d8abc8..547470b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,6 +2,7 @@
 envlist = lint, py26, py27, pypy, py33, py34
 [testenv]
 deps =
+    six
     unittest2
     nose
     nose-timer