diff --git a/tox.ini b/tox.ini
index fa74442..b1bd910 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py32, py33, py34, pypy, lint
+envlist = py27, py32, py33, py34, py35, py36, pypy, lint
 
 [testenv]
 commands = python setup.py nosetests