diff --git a/tox.ini b/tox.ini
index e4d3db4bc..8b288d140 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 distribute = False
-envlist = py36,py27,pep8
+envlist = py27,py37,pep8
 minversion = 2.0
 skipsdist = True