diff --git a/tox.ini b/tox.ini
index 0ef64cc4..4648f592 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,9 +19,9 @@ commands = ./runtests.py --fast {posargs} --coverage
 setenv =
        PYTHONDONTWRITEBYTECODE=1
 deps =
-        django17: Django==1.7.10  # Should track maximum supported
-        django18: Django==1.8.4  # Should track maximum supported
-        django19: https://www.djangoproject.com/download/1.9a1/tarball/
+        django17: Django==1.7.10
+        django18: Django==1.8.4
+        django19: https://www.djangoproject.com/download/1.9b1/tarball/
         -rrequirements/requirements-testing.txt
         -rrequirements/requirements-optionals.txt
 
@@ -40,21 +40,21 @@ deps =
 # Specify explicitly to exclude Django Guardian against Django 1.9
 [testenv:py27-django19]
 deps =
-        https://www.djangoproject.com/download/1.9a1/tarball/
+        https://www.djangoproject.com/download/1.9b1/tarball/
         -rrequirements/requirements-testing.txt
         markdown==2.5.2
         django-filter==0.10.0
 
 [testenv:py34-django19]
 deps =
-        https://www.djangoproject.com/download/1.9a1/tarball/
+        https://www.djangoproject.com/download/1.9b1/tarball/
         -rrequirements/requirements-testing.txt
         markdown==2.5.2
         django-filter==0.10.0
 
 [testenv:py35-django19]
 deps =
-        https://www.djangoproject.com/download/1.9a1/tarball/
+        https://www.djangoproject.com/download/1.9b1/tarball/
         -rrequirements/requirements-testing.txt
         markdown==2.5.2
         django-filter==0.10.0