diff --git a/tox.ini b/tox.ini
index 65d8be1460..e73ce386f5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 minversion = 2.3.1
 skipsdist = True
-envlist = py35,py27,pep8,api-ref,docs,genconfig,genpolicy,releasenotes
+envlist = py36,py35,py27,pep8,api-ref,docs,genconfig,genpolicy,releasenotes
 
 [testenv]
 usedevelop = True