diff --git a/bot.py b/bot.py
index 1627e93..ebb3b80 100644
--- a/bot.py
+++ b/bot.py
@@ -1,5 +1,6 @@
 import asyncio
 import logging
+import os
 import pickle
 import re
 import textwrap
@@ -12,6 +13,7 @@ from ics import Calendar
 from config import Config
 
 config = Config()
+config.WEBHOOK_URL = os.getenv("WEBHOOK_URL", config.WEBHOOK_URL)
 
 
 class State: