diff --git a/tox.ini b/tox.ini
index b6e7a7f..b2ac336 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = {py27,py33,py34,py35}-{c,pure},{pypy,pypy3}-pure,py27-x86,py34-x86
+envlist = {py27,py33,py34,py35,py36}-{c,pure},{pypy,pypy3}-pure,py27-x86,py34-x86
 
 [variants:pure]
 setenv=