diff --git a/timetabling/timetable-ics.py b/timetabling/timetable-ics.py
index a5e7592fe3b848e047a775918645b25b03e28c65..ee7391bd2f242d1803003a930943fd2110e3e39b 100644
--- a/timetabling/timetable-ics.py
+++ b/timetabling/timetable-ics.py
@@ -11,7 +11,7 @@ from datetime import datetime, timedelta
 from typing import Dict, Generator, Optional, Set
 
 TIMEZONE = "Europe/London"
-BASE_DATE = datetime(2024, 9, 23, 0, 0, 0, 0, pytz.timezone(TIMEZONE))
+BASE_DATE = datetime(2025, 9, 22, 0, 0, 0, 0, pytz.timezone(TIMEZONE))
 BEDFORD = 100 # not a year
 
 CAL_DAYS = [ "MO", "TU", "WE", "TH", "FR", "SA", "SU" ]