diff --git a/camlibs/ptp2/library.c b/camlibs/ptp2/library.c
index 5207f31f7..a0a2494bd 100644
--- a/camlibs/ptp2/library.c
+++ b/camlibs/ptp2/library.c
@@ -3,7 +3,7 @@
  * Copyright (C) 2001-2005 Mariusz Woloszyn <emsi@ipartners.pl>
  * Copyright (C) 2003-2021 Marcus Meissner <marcus@jet.franken.de>
  * Copyright (C) 2005 Hubert Figuiere <hfiguiere@teaser.fr>
- * Copyright (C) 2009 Axel Waggershauser <awagger@web.de>
+ * Copyright (C) 2009-2024 Axel Waggershauser <awagger@web.de>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/camlibs/ptp2/ptp-pack.c b/camlibs/ptp2/ptp-pack.c
index ffca2ee32..89faa2357 100644
--- a/camlibs/ptp2/ptp-pack.c
+++ b/camlibs/ptp2/ptp-pack.c
@@ -4,7 +4,7 @@
  * Copyright (C) 2003-2019 Marcus Meissner <marcus@jet.franken.de>
  * Copyright (C) 2006-2008 Linus Walleij <triad@df.lth.se>
  * Copyright (C) 2007 Tero Saarni <tero.saarni@gmail.com>
- * Copyright (C) 2009 Axel Waggershauser <awagger@web.de>
+ * Copyright (C) 2009-2024 Axel Waggershauser <awagger@web.de>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/camlibs/ptp2/ptp.c b/camlibs/ptp2/ptp.c
index 91054512a..e536dd865 100644
--- a/camlibs/ptp2/ptp.c
+++ b/camlibs/ptp2/ptp.c
@@ -4,7 +4,7 @@
  * Copyright (C) 2003-2019 Marcus Meissner <marcus@jet.franken.de>
  * Copyright (C) 2006-2008 Linus Walleij <triad@df.lth.se>
  * Copyright (C) 2007 Tero Saarni <tero.saarni@gmail.com>
- * Copyright (C) 2009 Axel Waggershauser <awagger@web.de>
+ * Copyright (C) 2009-2024 Axel Waggershauser <awagger@web.de>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public