diff --git a/modules/io/src/mol/mmcif_writer.cc b/modules/io/src/mol/mmcif_writer.cc
index aaf0247170e4d4e98c78454df86041dd7f33e289..b2851b380876bb0ddb9e0a8a2a3d74f10f407bf3 100644
--- a/modules/io/src/mol/mmcif_writer.cc
+++ b/modules/io/src/mol/mmcif_writer.cc
@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // This file is part of the OpenStructure project <www.openstructure.org>
 //
-// Copyright (C) 2008-2023 by the OpenStructure authors
+// Copyright (C) 2008-2024 by the OpenStructure authors
 //
 // This library is free software; you can redistribute it and/or modify it under
 // the terms of the GNU Lesser General Public License as published by the Free
diff --git a/modules/io/src/mol/mmcif_writer.hh b/modules/io/src/mol/mmcif_writer.hh
index 730549814d3fee8520dd4f281c540fb2d525659e..3560834bffdfb90e8cc7198351cc757db402ea75 100644
--- a/modules/io/src/mol/mmcif_writer.hh
+++ b/modules/io/src/mol/mmcif_writer.hh
@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // This file is part of the OpenStructure project <www.openstructure.org>
 //
-// Copyright (C) 2008-2023 by the OpenStructure authors
+// Copyright (C) 2008-2024 by the OpenStructure authors
 //
 // This library is free software; you can redistribute it and/or modify it under
 // the terms of the GNU Lesser General Public License as published by the Free