diff --git a/tox.ini b/tox.ini
index 6dbb208..9336dcd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = {pypy,pep8,py3pep8,py26,py27,py33,py34}
+envlist = {pypy,pep8,py3pep8,py26,py27,py33,py34,py35}
 
 [testenv]
 deps =