diff --git a/tox.ini b/tox.ini
index cf23ec0..023eee8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,13 +1,16 @@
 [tox]
-envlist = py26,py27,py33,py34
+envlist = py26,py27,py33,py34,py35,py36
 
 [testenv]
+usedevelop = True
 commands = nosetests -v {posargs}
+extras = lua
 deps =
     nose
 
 [testenv:py26]
 commands = nosetests -v {posargs}
+extras = lua
 deps =
     nose
     unittest2