diff --git a/database_backup_test/backup-test/templates/postgres.yaml b/database_backup_test/backup-test/templates/postgres.yaml
index 17cf5c1d96..79e92302c6 100644
--- a/database_backup_test/backup-test/templates/postgres.yaml
+++ b/database_backup_test/backup-test/templates/postgres.yaml
@@ -11,7 +11,7 @@ spec:
   image: ""
   metadata:
     labels: {{ include "backup-test.labels" . | nindent 6 }}
-  postgresVersion: 14
+  postgresVersion: 15
   instances:
     - name: pgha1
       replicas: {{ .Values.replicaCount}}