diff --git a/tox.ini b/tox.ini
index cfb64704ec..89a643db42 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 minversion = 2.5.0
 skipsdist = True
-envlist = py36,py27,pep8,pypy
+envlist = py27,py37,pep8,pypy
 
 [testenv]
 usedevelop=True