diff --git a/postgres/config/clusters/main.yaml b/postgres/config/clusters/main.yaml
index c12956f..bd95c74 100644
--- a/postgres/config/clusters/main.yaml
+++ b/postgres/config/clusters/main.yaml
@@ -5,7 +5,7 @@ metadata:
 spec:
   instances: 3
 
-  imageName: ghcr.io/tensorchord/cloudnative-pgvecto.rs:16.5-v0.3.0
+  imageName: ghcr.io/cloudnative-pg/postgresql:16.9-202506020807-standard-bullseye
 
   storage:
     size: 20Gi
@@ -26,10 +26,6 @@ spec:
   inheritedMetadata:
     labels:
       metrics_enabled: "true"
-  
-  postgresql:
-    shared_preload_libraries:
-      - "vectors.so"
 
   managed:
     roles: