diff --git a/tox.ini b/tox.ini
index e875a77..d3e8f2a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 minversion = 2.0
 skipsdist = True
-envlist = py27,py35,py36,pep8,cover,docs,releasenotes
+envlist = py27,py35,py36,py37,pep8,cover,docs,releasenotes
 
 [testenv]
 usedevelop = True