diff --git a/README.md b/README.md
index a73102d713..9a37ba86c0 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@
 
 [![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/misskey-dev/misskey)
 
+<a href="https://flatt.tech/oss/gmo/trampoline" target="_blank"><img src="https://flatt.tech/assets/images/badges/gmo-oss.svg" height="24px"/></a>
+
 </div>
 
 ## Thanks