diff --git a/backend/requirements.txt b/backend/requirements.txt
index d4710372..79a7432f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -2,7 +2,7 @@
 
 # Core ML
 xgboost==2.1.3
-scikit-learn==1.6.1
+scikit-learn==1.7.2
 joblib==1.4.2
 optuna==4.3.0
 
diff --git a/api/chat.ts b/frontend/api/chat.ts
similarity index 100%
rename from api/chat.ts
rename to frontend/api/chat.ts