diff --git a/test-requirements.txt b/test-requirements.txt
index 801b671..00090dd 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -25,6 +25,9 @@ sphinx>=1.5.1 # BSD
 testtools>=1.4.0 # MIT
 # This also needs xvfb library installed on your OS
 xvfbwrapper>=0.1.3 #license: MIT
-# Include horizon as test requirement
-http://tarballs.openstack.org/horizon/horizon-master.tar.gz#egg=horizon
 sphinx-rtd-theme>=0.2.4
+
+# OpenStack CI will install the following projects from git
+# if they are in the required-projects list for a job:
+horizon>=13.0.0  # Apache-2.0
+
diff --git a/tox.ini b/tox.ini
index 6166d25..b18647c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,8 +12,8 @@ setenv = VIRTUAL_ENV={envdir}
          NOSE_OPENSTACK_YELLOW=0.025
          NOSE_OPENSTACK_SHOW_ELAPSED=1
          DJANGO_SETTINGS_MODULE=adjutant_ui.test.settings
-install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} -U {opts} {packages}
-deps = -r{toxinidir}/requirements.txt
+deps = -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+       -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands = python manage.py test {posargs}