diff --git a/README.md b/README.md
index 0ed2e8e..c1ae8df 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ ping1 | pīng | ping1 | pɪŋ¹ | 'pɪŋ | pʰɪŋ˥ | ping1 | ping1 | ping¹ |
 
 ## 實現示例
 
-* Ruby
+* Ruby: [pingyam-rb](https://github.com/dohliam/pingyam-rb)
 * JavaScript: [pingyam-js](https://github.com/dohliam/pingyam-js)
 * Lingvo DSL 詞典格式