diff --git a/tox.ini b/tox.ini
index 3c57e802..9ef6dac3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py33
+envlist = py34
 skipsdist = True
 sitepackages = False