diff --git a/tox.ini b/tox.ini
index a155e48a..828a833a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 minversion = 1.6
 skipsdist = True
-envlist = py26,py27,py33,pep8,pypy
+envlist = py26,py27,py33,py34,pep8,pypy
 
 [testenv]
 usedevelop = True