diff --git a/tox.ini b/tox.ini
index a50a0b6..33cd7f7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{27,35,py},pep8,cover
+envlist = py{27,35,36,py},pep8,cover
 minversion = 2.7
 skipsdist = True