diff --git a/README.rst b/README.rst
index 80497b8..1897b86 100644
--- a/README.rst
+++ b/README.rst
@@ -59,7 +59,7 @@ Refer to the `change log`_.
 Copyright
 =========
 
- Copyright (c) 2023 imacat.
+ Copyright (c) 2023-2024 imacat.
 
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.