diff --git a/tox.ini b/tox.ini
index 72bf206..1ad1957 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,35 +11,35 @@ commands = django-admin.py test core --settings=settings
 [testenv:py27-django14]
 basepython = python2.7
 deps =
-    Django>=1.4
+    Django>=1.4,<1.5
     Pillow
 
 [testenv:py27-django13]
 basepython = python2.7
 deps =
-    Django>=1.3,<=1.4
+    Django>=1.3,<1.4
     Pillow
 
 [testenv:py27-django12]
 basepython = python2.7
 deps =
-    Django>=1.2,<=1.3
+    Django>=1.2,<1.3
     Pillow
 
 [testenv:py26-django14]
 basepython = python2.6
 deps =
-    Django>=1.4
+    Django>=1.4,<1.5
     Pillow
 
 [testenv:py26-django13]
 basepython = python2.6
 deps =
-    Django>=1.3,<=1.4
+    Django>=1.3,<1.4
     Pillow
 
 [testenv:py26-django12]
 basepython = python2.6
 deps =
-    Django>=1.2,<=1.3
+    Django>=1.2,<1.3
     Pillow