diff --git a/tox.ini b/tox.ini
index 99b648c3..61cd2a96 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py36,pep8,docs,cover
+envlist = py36,py37,pep8,docs,cover
 minversion = 2.3.1
 skipsdist = True