diff --git a/tox.ini b/tox.ini
index f7cfad2..d36d31f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.0
-envlist = py35,py27,pep8
+envlist = py35,py36,py27,pep8
 skipsdist = True
 
 [testenv]