diff --git a/README.md b/README.md
index ba457017..4f6306bb 100644
--- a/README.md
+++ b/README.md
@@ -155,6 +155,7 @@ protected void onCreate(Bundle savedInstanceState) {
 -keep class **$$DownloadListenerProxy{ *; }
 -keep class **$$UploadListenerProxy{ *; }
 -keep class **$$DownloadGroupListenerProxy{ *; }
+-keep class **$$DGSubListenerProxy{ *; }
 -keepclasseswithmembernames class * {
     @Download.* <methods>;
     @Upload.* <methods>;