diff --git a/.zuul.yaml b/.zuul.yaml
index 370dbe72..f314a239 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -14,7 +14,7 @@
 
 - job:
     name: puppet-horizon-tripleo-standalone
-    parent: tripleo-puppet-ci-centos-8-standalone
+    parent: tripleo-puppet-ci-centos-9-standalone
     description: |
       TripleO standalone Job running Horizon specific Tempest tests.
     vars: