diff --git a/clusters/cl01tl/applications/postiz/values.yaml b/clusters/cl01tl/applications/postiz/values.yaml
index a5239813b..a22a4ea70 100644
--- a/clusters/cl01tl/applications/postiz/values.yaml
+++ b/clusters/cl01tl/applications/postiz/values.yaml
@@ -110,7 +110,7 @@ postgres-17-cluster:
   cluster:
     image:
       repository: ghcr.io/cloudnative-pg/postgresql
-      tag: 17.6-standard-trixie
+      tag: 18.0-standard-trixie
     storage:
       storageClass: local-path
     walStorage: