diff --git a/ansible/group_vars/all/openstack b/ansible/group_vars/all/openstack
index 86bf653e7709652f20e05f24c59952966f6cd287..431d93b40de037e7998ed19fb71e165a4e8acf86 100644
--- a/ansible/group_vars/all/openstack
+++ b/ansible/group_vars/all/openstack
@@ -2,10 +2,10 @@
 ###############################################################################
 # OpenStack release configuration.
 
-# Name of the current OpenStack release. Default is "master".
-openstack_release: "master"
+# Name of the current OpenStack release. Default is "ussuri".
+openstack_release: "ussuri"
 
-# Name of the current OpenStack branch. Default is "master".
+# Name of the current OpenStack branch. Default is "stable/ussuri".
 openstack_branch: >-
   {% if openstack_release != 'master' %}stable/{% endif %}{{ openstack_release | lower }}
 
diff --git a/etc/kayobe/openstack.yml b/etc/kayobe/openstack.yml
index 1acfd0756633b75caa10ca655b18ff960ada5908..7a29298b66bb4bb0eb45fafa47f58a5babee94ad 100644
--- a/etc/kayobe/openstack.yml
+++ b/etc/kayobe/openstack.yml
@@ -2,10 +2,10 @@
 ###############################################################################
 # OpenStack release configuration.
 
-# Name of the current OpenStack release. Default is "master".
+# Name of the current OpenStack release. Default is "ussuri".
 #openstack_release:
 
-# Name of the current OpenStack branch. Default is "master".
+# Name of the current OpenStack branch. Default is "stable/ussuri".
 #openstack_branch:
 
 ###############################################################################
diff --git a/tox.ini b/tox.ini
index 76c1f771c36b58edff1f3843e25c9a1eda29486c..d0822f6629392f5f9abfeadab420f6cfca9f0b46 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,7 @@ setenv =
    OS_STDERR_CAPTURE=1
    OS_TEST_TIMEOUT=60
 deps =
-    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/ussuri}
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt
 commands = stestr run {posargs}
@@ -27,7 +27,7 @@ commands = stestr run {posargs}
 [testenv:pep8]
 # sphinx8 needs the sphinx package which is required via doc/requirements.txt
 deps =
-    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/ussuri}
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/doc/requirements.txt
     -r{toxinidir}/test-requirements.txt
@@ -42,7 +42,7 @@ commands =
 
 [testenv:venv]
 deps =
-    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/ussuri}
     -r{toxinidir}/test-requirements.txt
     -r{toxinidir}/doc/requirements.txt
 commands = {posargs}
@@ -60,7 +60,7 @@ commands =
 
 [testenv:molecule]
 deps =
-    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/ussuri}
     -r{toxinidir}/test-requirements.txt
     -r{toxinidir}/doc/requirements.txt
 whitelist_externals =
@@ -109,7 +109,7 @@ commands =
 
 [testenv:docs]
 deps =
-    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/ussuri}
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/doc/requirements.txt
 commands =
@@ -129,7 +129,7 @@ commands = oslo_debug_helper {posargs}
 
 [testenv:releasenotes]
 deps =
-    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/ussuri}
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/doc/requirements.txt
 commands =
diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
index bca1f29a522cd8029d6dd813ae8cf06d533495aa..a404d571463a1eac05d166be73d4b4ab7be81380 100644
--- a/zuul.d/jobs.yaml
+++ b/zuul.d/jobs.yaml
@@ -56,8 +56,14 @@
       - name: openstack/kayobe
       - name: openstack/kayobe-config-dev
       - name: openstack/kolla
+        # TODO(mgoddard): Remove when kayobe stable/ussuri exists.
+        override-checkout: stable/ussuri
       - name: openstack/kolla-ansible
+        # TODO(mgoddard): Remove when kayobe stable/ussuri exists.
+        override-checkout: stable/ussuri
       - name: openstack/requirements
+        # TODO(mgoddard): Remove when kayobe stable/ussuri exists.
+        override-checkout: stable/ussuri
       - name: openstack/tenks
     irrelevant-files:
       - ^.*\.rst$