diff --git a/config/samples/backup_secret.yaml b/config/samples/backup_secret.yaml
index 47e86e6e..cbcdb975 100644
--- a/config/samples/backup_secret.yaml
+++ b/config/samples/backup_secret.yaml
@@ -1,5 +1,5 @@
+apiVersion: v1
 kind: Secret
-apiVersion: mysql.radondb.com/v1alpha1
 metadata:
   name: sample-backup-secret
   namespace: default