diff --git a/webhook/webhook.py b/webhook/webhook.py
index 8761d53..4e1cadc 100644
--- a/webhook/webhook.py
+++ b/webhook/webhook.py
@@ -1,5 +1,5 @@
 import os
-from flask import Flask, request, jsonify, send_from_directory
+from flask import Flask, request, jsonify, send_from_directory, make_response
 import sqlite3
 from datetime import datetime
 
@@ -33,10 +33,10 @@ def serve_data_file(filename):
 @app.route('/webhook', methods=['POST'])
 def webhook():
     try:
-        data = request.get_json(silent=True)  # 비어있어도 None 반환, 예외 안남
-        # 필요시 data['userRequest']['utterance'] 사용 가능
+        data = request.get_json(silent=True)  # 비어있어도 None 반환, 예외 없음
+        # 필요 시 data['userRequest']['utterance'] 사용 가능
         today = datetime.today().strftime('%Y%m%d')
-        
+
         time_rain_list, total_rainfall = get_rain_data(today)
 
         if not time_rain_list:
@@ -68,16 +68,20 @@ def webhook():
                 }
             })
 
-        return jsonify({
+        response_body = {
             "version": "2.0",
             "template": {
                 "outputs": outputs
             }
-        })
+        }
+
+        # JSON 응답 생성 및 Content-Type 명시 (charset=utf-8 포함)
+        resp = make_response(jsonify(response_body))
+        resp.headers['Content-Type'] = 'application/json; charset=utf-8'
+        return resp
 
     except Exception as e:
-        # 에러 발생 시 카카오 챗봇이 받을 수 있는 기본 메시지 반환
-        return jsonify({
+        error_body = {
             "version": "2.0",
             "template": {
                 "outputs": [{
@@ -86,7 +90,10 @@ def webhook():
                     }
                 }]
             }
-        })
+        }
+        resp = make_response(jsonify(error_body))
+        resp.headers['Content-Type'] = 'application/json; charset=utf-8'
+        return resp
 
 if __name__ == '__main__':
     app.run(host='0.0.0.0', port=5000, debug=DEBUG_MODE)