diff --git a/tox.ini b/tox.ini
index c4abcf5..32508e2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,9 +5,8 @@ envlist=
     py32-django{15,16,17,18},
     py33-django{15,16,17,18},
     py34-django{15,16,17,18,19,110,111},
-    py35-django{18,19,110,111},
-    py36-django{111},
-    # py33-django-dev,
+    py35-django{18,19,110,111,dev},
+    py36-django{111,dev},
     docs,
 
 [testenv]
@@ -20,7 +19,7 @@ deps =
     django19: Django >= 1.9, < 1.10
     django110: Django >= 1.10, < 1.11
     django111: Django >= 1.11, < 1.12
-    django-dev: https://github.com/django/django/tarball/master
+    djangodev: https://github.com/django/django/tarball/master
 commands=
     python runtests.py