diff --git a/LICENSE.txt b/LICENSE.txt
index 52bd66b..47c75b5 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,6 +1,7 @@
 The MIT License (MIT)
 
 Copyright (c) 2020 kojix2
+Copyright (c) 2025 Red Data Tools
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal