diff --git a/tox.ini b/tox.ini
index e2f70c3..b513cd4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = pep8,isort,py{35,34,27}-django{19}-{cms32,knocker},py{35,34,33,27}-django{18}-cms{32,31},py{34,33,27}-django{17,16}-cms{32,31,30},py{26}-django16-cms{31,30}
+envlist = pep8,isort,py{35,34,27}-django{19}-{cms33,cms32,knocker},py{35,34,33,27}-django{18}-cms{33,32,31},py{34,33,27}-django{17,16}-cms{32,31,30},py{26}-django16-cms{31,30}
 
 [testenv]
 commands = {env:COMMAND:python} cms_helper.py test djangocms_blog --no-migrate
@@ -16,6 +16,7 @@ deps =
     cms30: https://github.com/divio/django-cms/archive/support/3.0.x.zip
     cms31: https://github.com/divio/django-cms/archive/support/3.1.x.zip
     cms32: https://github.com/divio/django-cms/archive/release/3.2.x.zip
+    cms33: https://github.com/divio/django-cms/archive/develop.zip
     knocker: https://github.com/divio/django-cms/archive/release/3.2.x.zip
     knocker: https://github.com/nephila/django-knocker/archive/master.zip?0.1.1
     django-meta>=1.2