diff --git a/radicale/app/put.py b/radicale/app/put.py
index bd6db5ed..9ab87c94 100644
--- a/radicale/app/put.py
+++ b/radicale/app/put.py
@@ -4,7 +4,7 @@
 # Copyright © 2008-2017 Guillaume Ayoub
 # Copyright © 2017-2020 Unrud <unrud@outlook.com>
 # Copyright © 2020-2023 Tuna Celik <tuna@jakpark.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