diff --git a/README.md b/README.md
index 150b175675..01afe440c2 100644
--- a/README.md
+++ b/README.md
@@ -185,6 +185,7 @@ More specifically, thanks for all these contributions:
 * [valeth](https://github.com/valeth): Rename callFfi's port.
 * [sccheruku](https://github.com/sccheruku): Prevent double-generating utility.
 * [jsonmona](https://github.com/jsonmona): Add import.
+* [upsuper](https://github.com/upsuper): Refactor delegate-attr.
 * [w-ensink](https://github.com/w-ensink): Improve doc. Fix CI. Refactor. Add tests.
 * [codercengiz](https://github.com/codercengiz): Fix mirroring bug.
 * [Michael-F-Bryan](https://github.com/Michael-F-Bryan): Detect broken bindings.