diff --git a/defaults/main.yml b/defaults/main.yml
index 2af3a335..3734374c 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -26,23 +26,23 @@ horizon_developer_mode: false
 
 ## The git source/branch for Horizon
 horizon_git_repo: https://git.openstack.org/openstack/horizon
-horizon_git_install_branch: master
+horizon_git_install_branch: "stable/queens"
 
 ## The git source/branch for the Magnum UI plugin
 magnum_dashboard_git_repo: https://git.openstack.org/openstack/magnum-ui
-magnum_dashboard_git_install_branch: master
+magnum_dashboard_git_install_branch: "master" # "stable/queens" isn't branched yet.
 
 ## The git source/branch for the Designate UI plugin
 designate_dashboard_git_repo: https://git.openstack.org/openstack/designate-dashboard
-designate_dashboard_git_install_branch: master
+designate_dashboard_git_install_branch: "stable/queens"
 
 ## The git source/branch for the Trove UI plugin
 trove_dashboard_git_repo: https://git.openstack.org/openstack/trove-dashboard
-trove_dashboard_git_install_branch: master
+trove_dashboard_git_install_branch: "stable/queens"
 
 ## The git source/branch for the Heat UI plugin
 heat_dashboard_git_repo: https://git.openstack.org/openstack/heat-dashboard
-heat_dashboard_git_install_branch: master
+heat_dashboard_git_install_branch: "stable/queens"
 
 ## The packages to build from source (used in developer mode)
 horizon_developer_constraints:
diff --git a/tests/ansible-role-requirements.yml b/tests/ansible-role-requirements.yml
index 777f817f..12b8ca06 100644
--- a/tests/ansible-role-requirements.yml
+++ b/tests/ansible-role-requirements.yml
@@ -1,48 +1,48 @@
 - name: apt_package_pinning
   src: https://git.openstack.org/openstack/openstack-ansible-apt_package_pinning
   scm: git
-  version: master
+  version: stable/queens
 - name: pip_install
   src: https://git.openstack.org/openstack/openstack-ansible-pip_install
   scm: git
-  version: master
+  version: stable/queens
 - name: galera_client
   src: https://git.openstack.org/openstack/openstack-ansible-galera_client
   scm: git
-  version: master
+  version: stable/queens
 - name: galera_server
   src: https://git.openstack.org/openstack/openstack-ansible-galera_server
   scm: git
-  version: master
+  version: stable/queens
 - name: lxc_container_create
   src: https://git.openstack.org/openstack/openstack-ansible-lxc_container_create
   scm: git
-  version: master
+  version: stable/queens
 - name: openstack_hosts
   src: https://git.openstack.org/openstack/openstack-ansible-openstack_hosts
   scm: git
-  version: master
+  version: stable/queens
 - name: lxc_hosts
   src: https://git.openstack.org/openstack/openstack-ansible-lxc_hosts
   scm: git
-  version: master
+  version: stable/queens
 - name: memcached_server
   src: https://git.openstack.org/openstack/openstack-ansible-memcached_server
   scm: git
-  version: master
+  version: stable/queens
 - name: openstack_openrc
   src: https://git.openstack.org/openstack/openstack-ansible-openstack_openrc
   scm: git
-  version: master
+  version: stable/queens
 - name: os_keystone
   src: https://git.openstack.org/openstack/openstack-ansible-os_keystone
   scm: git
-  version: master
+  version: stable/queens
 - name: rabbitmq_server
   src: https://git.openstack.org/openstack/openstack-ansible-rabbitmq_server
   scm: git
-  version: master
+  version: stable/queens
 - name: os_tempest
   src: https://git.openstack.org/openstack/openstack-ansible-os_tempest
   scm: git
-  version: master
+  version: stable/queens
diff --git a/tox.ini b/tox.ini
index 2e2be100..ed974eff 100644
--- a/tox.ini
+++ b/tox.ini
@@ -75,8 +75,8 @@ commands =
 [testenv:ansible]
 deps =
     {[testenv]deps}
-    -rhttps://git.openstack.org/cgit/openstack/openstack-ansible/plain/global-requirement-pins.txt
-    -rhttps://git.openstack.org/cgit/openstack/openstack-ansible-tests/plain/test-ansible-deps.txt
+    -rhttps://git.openstack.org/cgit/openstack/openstack-ansible/plain/global-requirement-pins.txt?h=stable/queens
+    -rhttps://git.openstack.org/cgit/openstack/openstack-ansible-tests/plain/test-ansible-deps.txt?h=stable/queens
 
 
 [testenv:ansible-syntax]