diff --git a/README.md b/README.md
index 57771f4..d17a59a 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,7 @@ References:
 - Python port by [Graham Abbott](https://github.com/graham): https://github.com/graham/python_xid
 - Scala port by [Egor Kolotaev](https://github.com/kolotaev): https://github.com/kolotaev/ride
 - Rust port by [Jérôme Renard](https://github.com/jeromer/): https://github.com/jeromer/libxid
+- Ruby port by [Valar](https://github.com/valarpirai/): https://github.com/valarpirai/ruby_xid
 
 ## Install