diff --git a/COPYING b/COPYING
index ce9e5939..c6d184a8 100644
--- a/COPYING
+++ b/COPYING
@@ -1,5 +1,5 @@
 Copyright (c) 1998-2000 Thai Open Source Software Center Ltd and Clark Cooper
-Copyright (c) 2001-2022 Expat maintainers
+Copyright (c) 2001-2025 Expat maintainers
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
diff --git a/expat/win32/expat.iss b/expat/win32/expat.iss
index ceb37ba3..ed7a2685 100644
--- a/expat/win32/expat.iss
+++ b/expat/win32/expat.iss
@@ -45,7 +45,7 @@ AppName=Expat
 AppId=expat
 AppVersion={#expatVer}
 AppVerName=Expat {#expatVer}
-AppCopyright=Copyright © 1997-2022 Thai Open Source Software Center, Clark Cooper, and the Expat maintainers
+AppCopyright=Copyright © 1997-2025 Thai Open Source Software Center, Clark Cooper, and the Expat maintainers
 AppPublisher=The Expat Developers
 AppPublisherURL=https://libexpat.github.io/
 AppSupportURL=https://libexpat.github.io/