diff --git a/tox.ini b/tox.ini
index 69eb38237..22c85e493 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,12 +12,12 @@ deps = https://github.com/django/django/zipball/master
 
 [testenv:py2.7-django1.4]
 basepython = python2.7
-deps = django==1.4.1
+deps = django==1.4.3
        django-filter==0.5.4
 
 [testenv:py2.7-django1.3]
 basepython = python2.7
-deps = django==1.3.3
+deps = django==1.3.5
        django-filter==0.5.4
 
 [testenv:py2.6-django1.5]
@@ -27,10 +27,10 @@ deps = https://github.com/django/django/zipball/master
 
 [testenv:py2.6-django1.4]
 basepython = python2.6
-deps = django==1.4.1
+deps = django==1.4.3
        django-filter==0.5.4
 
 [testenv:py2.6-django1.3]
 basepython = python2.6
-deps = django==1.3.3
+deps = django==1.3.5
        django-filter==0.5.4