diff --git a/tox.ini b/tox.ini
index ce49502..08172e4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=py26,py27,py33,py34,pypy,flake8
+envlist=py26,py27,py33,py34,py35,pypy,flake8
 
 [testenv]
 commands=py.test --cov rq {posargs}