diff --git a/tox.ini b/tox.ini
index 07e7b733..7641b624 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,20 +1,23 @@
 [tox]
 downloadcache = {toxworkdir}/cache/
-envlist = py26, py27, pypy, py27-noext, pypy-noext, py34, py34-noext
+envlist = py26, py27, pypy, py27-noext, pypy-noext, py34, py34-noext, py35, py35-noext
 
 [testenv]
 deps =
     unittest2
 
 commands = make check
 recreate = True
 whitelist_externals = make
 
 [testenv:py27-noext]
 commands = make check-noextensions
 
 [testenv:pypy-noext]
 commands = make check-noextensions
 
 [testenv:py34-noext]
 commands = make check-noextensions
+
+[testenv:py35-noext]
+commands = make check-noextensions