diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
index de459192..11823b56 100644
--- a/expat/lib/xmlparse.c
+++ b/expat/lib/xmlparse.c
@@ -39,7 +39,7 @@
    Copyright (c) 2022      Sean McBride <sean@rogue-research.com>
    Copyright (c) 2023      Owain Davies <owaind@bath.edu>
    Copyright (c) 2023-2024 Sony Corporation / Snild Dolkow <snild@sony.com>
-   Copyright (c) 2024      Berkay Eren Ürün <berkay.ueruen@siemens.com>
+   Copyright (c) 2024-2025 Berkay Eren Ürün <berkay.ueruen@siemens.com>
    Copyright (c) 2024      Hanno Böck <hanno@gentoo.org>
    Licensed under the MIT license:
 
diff --git a/expat/tests/alloc_tests.c b/expat/tests/alloc_tests.c
index 8e50a70c..12ea3b2a 100644
--- a/expat/tests/alloc_tests.c
+++ b/expat/tests/alloc_tests.c
@@ -19,6 +19,7 @@
    Copyright (c) 2020      Tim Gates <tim.gates@iress.com>
    Copyright (c) 2021      Donghee Na <donghee.na@python.org>
    Copyright (c) 2023      Sony Corporation / Snild Dolkow <snild@sony.com>
+   Copyright (c) 2025      Berkay Eren Ürün <berkay.ueruen@siemens.com>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
diff --git a/expat/tests/basic_tests.c b/expat/tests/basic_tests.c
index 6f9f96c2..e813df8b 100644
--- a/expat/tests/basic_tests.c
+++ b/expat/tests/basic_tests.c
@@ -10,7 +10,7 @@
    Copyright (c) 2003      Greg Stein <gstein@users.sourceforge.net>
    Copyright (c) 2005-2007 Steven Solie <steven@solie.ca>
    Copyright (c) 2005-2012 Karl Waclawek <karl@waclawek.net>
-   Copyright (c) 2016-2024 Sebastian Pipping <sebastian@pipping.org>
+   Copyright (c) 2016-2025 Sebastian Pipping <sebastian@pipping.org>
    Copyright (c) 2017-2022 Rhodri James <rhodri@wildebeest.org.uk>
    Copyright (c) 2017      Joe Orton <jorton@redhat.com>
    Copyright (c) 2017      José Gutiérrez de la Concha <jose@zeroc.com>
@@ -19,6 +19,7 @@
    Copyright (c) 2020      Tim Gates <tim.gates@iress.com>
    Copyright (c) 2021      Donghee Na <donghee.na@python.org>
    Copyright (c) 2023-2024 Sony Corporation / Snild Dolkow <snild@sony.com>
+   Copyright (c) 2024-2025 Berkay Eren Ürün <berkay.ueruen@siemens.com>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining