diff --git a/zuul.d/layout.yaml b/zuul.d/layout.yaml
index 067f55e..0925ca7 100644
--- a/zuul.d/layout.yaml
+++ b/zuul.d/layout.yaml
@@ -5,12 +5,18 @@
         - tripleo-ci-centos-8-standalone:
             dependencies:
               - openstack-tox-linters
+        - tripleo-ci-centos-9-standalone:
+            dependencies:
+              - openstack-tox-linters
     gate:
       jobs:
         - openstack-tox-linters
         - tripleo-ci-centos-8-standalone:
             dependencies:
               - openstack-tox-linters
+        - tripleo-ci-centos-9-standalone:
+            dependencies:
+              - openstack-tox-linters
     post:
       jobs:
         - publish-openstack-python-branch-tarball