diff --git a/tox.ini b/tox.ini
index 1b2c239..cfcbed2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,17 +1,23 @@
 [tox]
-envlist=py26-1.2,py26,py26-trunk,py27-1.2,py27,py27-trunk
+envlist=py26-1.2,py26-1.3,py26,py26-trunk,py27-1.2,py27-1.3,py27,py27-trunk
 
 [testenv]
 deps=
-  django==1.3.1
+  django==1.4.0
   South==0.7.3
 commands=python setup.py test
-
+ 
 [testenv:py26-1.2]
 basepython=python2.6
 deps=
   django==1.2.7
   South==0.7.3
+ 
+[testenv:py26-1.3]
+basepython=python2.6
+deps=
+  django==1.3.1
+  South==0.7.3
 
 [testenv:py26-trunk]
 basepython=python2.6
@@ -25,6 +31,12 @@ deps=
   django==1.2.7
   South==0.7.3
 
+[testenv:py27-1.3]
+basepython=python2.7
+deps=
+  django==1.3.1
+  South==0.7.3
+
 [testenv:py27-trunk]
 basepython=python2.7
 deps=