diff --git a/tox.ini b/tox.ini
index df06d01711..cd6a7182f6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 minversion = 3.1.0
 skipsdist = True
-envlist = validate,py27,pep8,pip-install
+envlist = validate,py36,py27,pep8,pip-install
 ignore_basepython_conflict=true
 
 [testenv]