@@ -4,7 +4,7 @@ import icalendar
 
 import urllib.parse
 import requests
-from flask import Flask
+from quart import Quart
 from datetime import date, datetime, timedelta, time
 import zoneinfo
 from dataclasses import dataclass, field
@@ -30,7 +30,7 @@ def load_config(file_path):
     with open(file_path, "r") as fr:
         return Config.read(fr)
 
-app = Flask(__name__)
+app = Quart(__name__)
 
 config = load_config(environ.get("CONFIG_FILE", "config.toml"))
 tz = zoneinfo.ZoneInfo(config.timezone)
@@ -104,7 +104,7 @@
     return events
 
 @app.route(f'/{str.lower(config.name)}.ics')
-def index():
+async def index():
     today = date.today()
     start_of_week = today - timedelta(days=today.weekday())
     start_date = datetime.combine(start_of_week, time.min, tzinfo=tz)