1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index efb1cff3..386e212d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,7 @@ deps =
     nose==1.3.7
     mock==2.0.0
     PyContracts==1.7.9
-    unittest-mixins==1.1
+    unittest-mixins==1.1.1
     #-egit+/Users/ned/unittest_mixins#egg=unittest-mixins==0.0
     py26: unittest2==1.1.0
     py{27,33,34,35,36}: gevent==1.1.1