diff --git a/kubernetes/templates/postgres-database/postgresCluster.yaml b/kubernetes/templates/postgres-database/postgresCluster.yaml
index 68003816..565d2268 100644
--- a/kubernetes/templates/postgres-database/postgresCluster.yaml
+++ b/kubernetes/templates/postgres-database/postgresCluster.yaml
@@ -5,7 +5,7 @@ kind: PostgresCluster
 metadata:
   name: "${APP}"
 spec:
-  postgresVersion: 15
+  postgresVersion: 16
   dataSource:
     pgbackrest:
       stanza: db