diff --git a/openstack_auth/tests/run_tests.py b/openstack_auth/tests/run_tests.py
index 32ec848a..b3179672 100644
--- a/openstack_auth/tests/run_tests.py
+++ b/openstack_auth/tests/run_tests.py
@@ -20,7 +20,10 @@ import sys
 os.environ['DJANGO_SETTINGS_MODULE'] = 'openstack_auth.tests.settings'
 
 import django
-from django.test import simple as test_simple
+if django.VERSION < (1, 8, 0):
+    from django.test.simple import DjangoTestSuiteRunner as test_runner
+else:
+    from django.test.runner import DiscoverRunner as test_runner
 
 if hasattr(django, 'setup'):
     django.setup()
@@ -35,7 +38,7 @@ def run(*test_args):
         "..",
     )
     sys.path.insert(0, parent)
-    failures = test_simple.DjangoTestSuiteRunner().run_tests(test_args)
+    failures = test_runner().run_tests(test_args)
     sys.exit(failures)
 
 
diff --git a/openstack_auth/user.py b/openstack_auth/user.py
index 132e37be..007da5a4 100644
--- a/openstack_auth/user.py
+++ b/openstack_auth/user.py
@@ -117,7 +117,7 @@ class Token(object):
         self.serviceCatalog = auth_ref.service_catalog.get_data()
 
 
-class User(models.AnonymousUser):
+class User(models.AbstractBaseUser, models.AnonymousUser):
     """A User class with some extra special sauce for Keystone.
 
     In addition to the standard Django user attributes, this class also has
@@ -191,7 +191,7 @@ class User(models.AnonymousUser):
                  services_region=None, user_domain_id=None,
                  user_domain_name=None, domain_id=None, domain_name=None,
                  project_id=None, project_name=None,
-                 is_federated=False, unscoped_token=None):
+                 is_federated=False, unscoped_token=None, password=None):
         self.id = id
         self.pk = id
         self.token = token
@@ -221,6 +221,9 @@ class User(models.AnonymousUser):
         self.tenant_id = self.project_id
         self.tenant_name = self.project_name
 
+        # Required by AbstractBaseUser
+        self.password = None
+
     def __unicode__(self):
         return self.username
 
diff --git a/tox.ini b/tox.ini
index ec31817b..2745e727 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 minversion = 1.6
 skipsdist = True
-envlist = py27,py27dj14,py27dj15,py27dj16,pep8,py33,py34
+envlist = py27,py27dj17,py27dj18,pep8,py33,py34
 
 [testenv]
 usedevelop = True
@@ -24,22 +24,19 @@ commands =
     python -m coverage html --include='openstack_auth/*' --omit='openstack_auth/tests/*' -d 'reports'
     python -m coverage xml --include='openstack_auth/*' --omit='openstack_auth/tests/*'
 
-[testenv:py27dj16]
-commands = pip install django>=1.6,<1.7
+[testenv:py27dj17]
+commands = pip install django>=1.7,<1.8
            python openstack_auth/tests/run_tests.py {posargs}
 
-[testenv:py27dj15]
-commands = pip install django>=1.5,<1.6
-           python openstack_auth/tests/run_tests.py {posargs}
-
-[testenv:py27dj14]
-commands = pip install django>=1.4,<1.5
+[testenv:py27dj18]
+commands = pip install django>=1.8,<1.9
            python openstack_auth/tests/run_tests.py {posargs}
 
 [testenv:pep8]
 setenv = DJANGO_SETTINGS_MODULE=openstack_auth.tests.settings
 commands = flake8
 
+
 [testenv:venv]
 commands = {posargs}