diff --git a/README.md b/README.md
index 5cdb3189..cb3c7510 100644
--- a/README.md
+++ b/README.md
@@ -99,7 +99,7 @@ pnpm run e2e-dev
 Apache License 2.0
 
 ```text
-Copyright 2017-2024, Shiguredo Inc.
+Copyright 2017-2025, Shiguredo Inc.
 Copyright 2017-2022, Yuki Ito (Original Author)
 
 Licensed under the Apache License, Version 2.0 (the "License");