testing against Django 1.5 and 1.6

tox.ini

 [tox]
 envlist =
-    py26-1.4.X, py27-1.4.X, pypy-1.4.X,
+    py26-1.5.X, py27-1.5.X, pypy-1.5.X,
     py26, py27, pypy, py33, docs
 
 [testenv]
@@ -11,37 +11,43 @@ setenv =
 commands =
     {envbindir}/django-admin.py test {posargs:tests}
 
-[testenv:py26-1.4.X]
+[testenv:py26-1.5.X]
 basepython = python2.6
 deps =
-    Django==1.4.2
+    Django==1.5.1
     mock
     unittest2
     jinja2
     futures
 
-[testenv:py27-1.4.X]
+[testenv:py27-1.5.X]
 basepython = python2.7
 deps =
-    Django==1.4.2
+    Django==1.5.1
     mock
     unittest2
     jinja2
     futures
 
-[testenv:pypy-1.4.X]
+[testenv:pypy-1.5.X]
 basepython = pypy
 deps =
-    Django==1.4.2
+    Django==1.5.1
     mock
     unittest2
     jinja2
     futures
 
+[testenv:py33-1.5.X]
+basepython = python3.3
+deps =
+    jinja2
+    Django==1.5.1
+
 [testenv:py26]
 basepython = python2.6
 deps =
-    Django==1.5
+    git+git://github.com/django/django.git@stable/1.6.x#egg=Django
     mock
     unittest2
     jinja2
@@ -50,7 +56,7 @@ deps =
 [testenv:py27]
 basepython = python2.7
 deps =
-    Django==1.5
+    git+git://github.com/django/django.git@stable/1.6.x#egg=Django
     mock
     unittest2
     jinja2
@@ -59,7 +65,7 @@ deps =
 [testenv:pypy]
 basepython = pypy
 deps =
-    Django==1.5
+    git+git://github.com/django/django.git@stable/1.6.x#egg=Django
     mock
     unittest2
     jinja2
@@ -69,7 +75,7 @@ deps =
 basepython = python3.3
 deps =
     jinja2
-    Django==1.5
+    git+git://github.com/django/django.git@stable/1.6.x#egg=Django
 
 [testenv:docs]
 basepython = python2.7