1 files changed, 2 insertions, 2 deletions

diff --git a/tox.ini b/tox.ini
index 21f5573c7..b884dea36 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
-minversion = 1.6
+minversion = 2.0
 skipsdist = True
-envlist = py36,py35,py27,pep8,pypy
+envlist = pep8,py37,py36,py35,py27,pypy
 
 [testenv]
 usedevelop=True