diff --git a/radicale/app/mkcol.py b/radicale/app/mkcol.py
index 49768534..9a4d1efa 100644
--- a/radicale/app/mkcol.py
+++ b/radicale/app/mkcol.py
@@ -3,7 +3,7 @@
 # Copyright © 2008 Pascal Halter
 # Copyright © 2008-2017 Guillaume Ayoub
 # Copyright © 2017-2021 Unrud <unrud@outlook.com>
-# Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
+# Copyright © 2024-2026 Peter Bieringer <pb@bieringer.de>
 #
 # This library is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by