diff --git a/tox.ini b/tox.ini
index 4e3d138..c400dab 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,lint,docs
+envlist = py27,py34,lint,docs
 
 [testenv]
 setenv =