diff --git a/lower-constraints.txt b/lower-constraints.txt
index f0bf88a9..786311e2 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -28,7 +28,7 @@ flake8==2.5.5
 futurist==1.2.0
 greenlet==0.4.10
 hacking==0.12.0
-horizon==13.0.0
+horizon==14.0.0.0b1
 idna==2.6
 iso8601==0.1.11
 Jinja2==2.10
diff --git a/requirements.txt b/requirements.txt
index aa2d0d0d..edca13d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,4 +16,4 @@ python-novaclient>=9.1.0 # Apache-2.0
 python-saharaclient>=1.4.0 # Apache-2.0
 pytz>=2013.6 # MIT
 
-horizon>=13.0.0 # Apache-2.0
+horizon>=14.0.0.0b1 # Apache-2.0
diff --git a/sahara_dashboard/test/helpers.py b/sahara_dashboard/test/helpers.py
index 2fca1ed6..24ca12fe 100644
--- a/sahara_dashboard/test/helpers.py
+++ b/sahara_dashboard/test/helpers.py
@@ -35,6 +35,7 @@ class SaharaTestsMixin(object):
 
 
 class TestCase(SaharaTestsMixin, helpers.TestCase):
+    use_mox = True
     pass
 
 
@@ -44,6 +45,8 @@ class BaseAdminViewTests(SaharaTestsMixin, helpers.TestCase):
 
 class SaharaAPITestCase(helpers.APITestCase):
 
+    use_mox = True
+
     def setUp(self):
         super(SaharaAPITestCase, self).setUp()