diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21fecb6817..1c136995d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ You should also include the user name that made the change.
 ## 13.x.x (unreleased)
 
 ### Improvements
+- 実績機能
 - Playのプリセットを追加
 - Playのscriptの文字数制限を緩和
 - AiScript GUIの強化