diff --git a/README.md b/README.md
index 55634ca5..4930a96c 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,17 @@
+## Fork for upgrade package and making UPM compatiable
+
+```json
+{
+    "com.google.play.games": "https://github.com/Thaina/play-games-plugin-for-unity.git?path=/Assets/Public/GooglePlayGames/com.google.play.games"
+}
+```
+
+This fork now use gradle post build event to patch androidmanifest
+
+Also fix the image loader from play service
+
+Tested and worked in Unity 6. Should be compatible with lower version but not fully tested yet
+
 # Google Play Games plugin for Unity
 _Copyright (c) 2014 Google Inc. All rights reserved._