diff --git a/tox.ini b/tox.ini
index 7b5586fc925d1ca45fdabbe484d78c1f16b7e10f..863aa51b5c114357edb8703316724cb49e70083c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py34,py35,py36,flake
+envlist = py27,py34,py35,py36,py37,flake
 
 [testenv]
 deps =