diff --git a/packages/feature_game_mathquiz/pubspec.yaml b/packages/feature_game_mathquiz/pubspec.yaml
index 2192342..f7f6842 100644
--- a/packages/feature_game_mathquiz/pubspec.yaml
+++ b/packages/feature_game_mathquiz/pubspec.yaml
@@ -21,6 +21,7 @@ dependencies:
   # 🔽 [추가] 공통 UI (셸, 랭킹 화면)
   feature_common:
     path: ../feature_common # 👈 부모 폴더의 feature_common 패키지
+  function_tree: ^0.9.1
 
 dev_dependencies:
   flutter_test: