diff --git a/.zuul.yaml b/.zuul.yaml
index 0303425..116b0f1 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -14,34 +14,34 @@
         - openstack-tox-pep8:
             required-projects:
               - name: openstack/requirements
-                override-checkout: stable/wallaby
+                override-checkout: unmaintained/wallaby
         - openstack-tox-py36:
             required-projects:
               - name: openstack/requirements
-                override-checkout: stable/wallaby
+                override-checkout: unmaintained/wallaby
         - openstack-tox-py37:
             required-projects:
               - name: openstack/requirements
-                override-checkout: stable/wallaby
+                override-checkout: unmaintained/wallaby
         - openstack-tox-py38:
             required-projects:
               - name: openstack/requirements
-                override-checkout: stable/wallaby
+                override-checkout: unmaintained/wallaby
     gate:
       jobs:
         - openstack-tox-pep8:
             required-projects:
               - name: openstack/requirements
-                override-checkout: stable/wallaby
+                override-checkout: unmaintained/wallaby
         - openstack-tox-py36:
             required-projects:
               - name: openstack/requirements
-                override-checkout: stable/wallaby
+                override-checkout: unmaintained/wallaby
         - openstack-tox-py37:
             required-projects:
               - name: openstack/requirements
-                override-checkout: stable/wallaby
+                override-checkout: unmaintained/wallaby
         - openstack-tox-py38:
             required-projects:
               - name: openstack/requirements
-                override-checkout: stable/wallaby
+                override-checkout: unmaintained/wallaby