diff --git a/tox.ini b/tox.ini
index bb92511..e9d42df 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=py26,py27,py33,pypy
+envlist=py26,py27,py33,py34,pypy
 
 [testenv]
 commands=py.test []