diff --git a/tox.ini b/tox.ini
index 1ca7fa30e8..1633d0238a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py35,py27,pep8,genpolicy
+envlist = py36,py35,py27,pep8,genpolicy
 minversion = 1.6
 skipsdist = True