diff --git a/LICENSE b/LICENSE
index 261eeb9e..ea365fa5 100644
--- a/LICENSE
+++ b/LICENSE
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [yyyy] [name of copyright owner]
+   Copyright 2020-2024 Ryodo Tanaka and Akiro Harada
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/README.md b/README.md
index c2610806..6f6a1c84 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ There are several Prefab and Scene files available for testing each sensor.
 ## Documentation
 
 ## LICENSE
-Copyright [2020-2021] Ryodo Tanaka groadpg@gmail.com
+Copyright [2020-2024] Ryodo Tanaka (groadpg@gmail.com) and Akiro Harada
 
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at