diff --git a/zuul/main.yaml b/zuul/main.yaml
index 6102bf89cd..17dede22c5 100644
--- a/zuul/main.yaml
+++ b/zuul/main.yaml
@@ -17,7 +17,7 @@
       - local-admin
       - infra-root
       - tenant-group
-    default-ansible-version: '8'
+    default-ansible-version: '9'
     max-nodes-per-job: 10
     source:
       gerrit:
@@ -1517,7 +1517,7 @@
 - tenant:
     name: zuul
     admin-rules: *admin_rules
-    default-ansible-version: '8'
+    default-ansible-version: '9'
     max-nodes-per-job: 10
     source:
       gerrit: