diff --git a/README.md b/README.md
index 509c4eb..08c801a 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ From ourselves and the community!
 | Language | Author | Binary Implementation |
 | -------- | ------ | --------------------- |
 | [C++](https://github.com/suyash/ulid) | [suyash](https://github.com/suyash) | ✓ |
-| [C#](https://github.com/mcb2001/CSharp.Ulid) | [mcb2001](https://github.com/mcb2001) |
+| [C#](https://github.com/Cysharp/Ulid) | [Cysharp, Inc.](https://github.com/Cysharp) |
 | [Clojure](https://github.com/theikkila/clj-ulid) | [theikkila](https://github.com/theikkila) |
 | [Objective-C](https://github.com/whitesmith/ulid) | [ricardopereira](https://github.com/ricardopereira) |
 | [Crystal](https://github.com/SuperPaintman/ulid) | [SuperPaintman](https://github.com/SuperPaintman) |