diff --git a/documents/content/docs/contribution/contributors.md b/documents/content/docs/contribution/contributors.md
index bed0c0cd7..4e9d68099 100644
--- a/documents/content/docs/contribution/contributors.md
+++ b/documents/content/docs/contribution/contributors.md
@@ -13,5 +13,6 @@ type: docs
  * [Kuu](https://github.com/cocoa-mhlw/cocoa/commits?author=fumiya-kume)
  * [山本ユースケ](https://github.com/cocoa-mhlw/cocoa/commits?author=yusuke)
  * [Murayu](https://github.com/cocoa-mhlw/cocoa/commits?author=Murayu0225)
+ * [Kenji Suzuki](https://github.com/cocoa-mhlw/cocoa/commits?author=kvaluation)
 
 （アルファベット順）