diff --git a/ansible/group_vars/all/openstack b/ansible/group_vars/all/openstack
index 86bf653e7..82d387540 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 "wallaby".
+openstack_release: "wallaby"
 
-# Name of the current OpenStack branch. Default is "master".
+# Name of the current OpenStack branch. Default is "stable/wallaby".
 openstack_branch: >-
   {% if openstack_release != 'master' %}stable/{% endif %}{{ openstack_release | lower }}
 
diff --git a/etc/kayobe/openstack.yml b/etc/kayobe/openstack.yml
index 1acfd0756..52c43ca50 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 "wallaby".
 #openstack_release:
 
-# Name of the current OpenStack branch. Default is "master".
+# Name of the current OpenStack branch. Default is "stable/wallaby".
 #openstack_branch:
 
 ###############################################################################
diff --git a/tox.ini b/tox.ini
index 43e829a20..0b322b037 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,7 @@ setenv =
    OS_STDERR_CAPTURE=1
    OS_TEST_TIMEOUT=60
 deps =
-    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/wallaby}
     -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:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/wallaby}
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/doc/requirements.txt
     -r{toxinidir}/test-requirements.txt
@@ -42,7 +42,7 @@ commands =
 
 [testenv:venv]
 deps =
-    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/wallaby}
     -r{toxinidir}/test-requirements.txt
     -r{toxinidir}/doc/requirements.txt
 commands = {posargs}
@@ -60,7 +60,7 @@ commands =
 
 [testenv:molecule]
 deps =
-    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/wallaby}
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt
 whitelist_externals =
@@ -109,7 +109,7 @@ commands =
 
 [testenv:docs]
 deps =
-    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/wallaby}
     -r{toxinidir}/doc/requirements.txt
 commands =
   rm -rf doc/build/html
diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
index 5c7748d03..e7ca53bb2 100644
--- a/zuul.d/jobs.yaml
+++ b/zuul.d/jobs.yaml
@@ -59,8 +59,14 @@
       - name: openstack/kayobe
       - name: openstack/kayobe-config-dev
       - name: openstack/kolla
+        # TODO(mnasiadka): Remove when kayobe stable/wallaby exists.
+        override-checkout: stable/wallaby
       - name: openstack/kolla-ansible
+        # TODO(mnasiadka): Remove when kayobe stable/wallaby exists.
+        override-checkout: stable/wallaby
       - name: openstack/requirements
+        # TODO(mnasiadka): Remove when kayobe stable/wallaby exists.
+        override-checkout: stable/wallaby
       - name: openstack/tenks
     irrelevant-files:
       - ^.*\.rst$