diff --git a/requirements.txt b/requirements.txt
index 2b86a46..e831d1f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,4 @@ pbr!=2.1.0,>=2.0.0 # Apache-2.0
 iso8601>=0.1.11 # MIT
 python-mistralclient!=3.2.0,>=3.1.0 # Apache-2.0
 PyYAML>=3.12 # MIT
+horizon>=17.1.0  # Apache-2.0
diff --git a/tox.ini b/tox.ini
index 17ed38b..6f20b3c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.0
-envlist = pep8,py37,py3-{dj111,dj22}
+envlist = pep8,py37
 skipsdist = True
 
 [testenv]
@@ -13,8 +13,6 @@ deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
        http://tarballs.openstack.org/horizon/horizon-master.tar.gz
 commands =
-    dj111: pip install django>=1.11,<2
-    dj22: pip install django>=2.2,<2.3
     find . -type f -name "*.pyc" -delete
     /bin/bash run_tests.sh -N --no-pep8 {posargs}
 whitelist_externals = find