diff --git a/pkg/sync/sync_tasks.go b/pkg/sync/sync_tasks.go
index f41946f6c..628b6fd1d 100644
--- a/pkg/sync/sync_tasks.go
+++ b/pkg/sync/sync_tasks.go
@@ -60,6 +60,7 @@ func init() {
 		"IngressClass",
 		"Ingress",
 		"APIService",
+		"ExternalSecret",
 	}
 	for i, kind := range kinds {
 		// make sure none of the above entries are zero, we need that for custom resources