diff --git a/src/main/resources/backup/backup-restore-deployment.yaml b/src/main/resources/backup/backup-restore-deployment.yaml
index 945280f..3a43bd1 100644
--- a/src/main/resources/backup/backup-restore-deployment.yaml
+++ b/src/main/resources/backup/backup-restore-deployment.yaml
@@ -84,3 +84,4 @@ spec:
       - name: rotation-credential-secret-volume
         secret:
           secretName: rotation-credential-secret
+          optional: true