diff --git a/LICENSE.txt b/LICENSE.txt
index 0b2400c..2e3716d 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019-2024 Emic Corporation
+Copyright (c) 2019-2025 Emic Corporation
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/release-notes.txt b/release-notes.txt
index 47469f3..8e1f3ad 100644
--- a/release-notes.txt
+++ b/release-notes.txt
@@ -1,5 +1,5 @@
 XMLPaste
-(c) 2019-2024 Emic Corporation <https://www.emic.co.jp/>
+(c) 2019-2025 Emic Corporation <https://www.emic.co.jp/>
 This software is distributed under the MIT License.
 
 Version: 1.2.0-dev (in development)