diff --git a/tox.ini b/tox.ini
index 88d1302..2d2ed38 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = pep8,py27
+envlist = pep8,py27,py34
 minversion = 1.6
 skipsdist = True