diff --git a/LICENSE b/LICENSE
index eea8aed..8528fc0 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022 jooy2 <jooy2.contact@gmail.com> (https://jooy2.com).
+Copyright (c) 2022-2023 jooy2 <jooy2.contact@gmail.com> (https://jooy2.com).
 
 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/README.md b/README.md
index 4d596ac..e2ec5f8 100644
--- a/README.md
+++ b/README.md
@@ -38,4 +38,4 @@ You can report issues on [Github Issue](https://github.com/jooy2/vutron/issues).
 
 ## License
 
-Copyright © 2022 [Jooy2](https://jooy2.com) <[jooy2.contact@gmail.com](mailto:jooy2.contact@gmail.com)> Released under the MIT license.
+Copyright © 2022-2023 [Jooy2](https://jooy2.com) <[jooy2.contact@gmail.com](mailto:jooy2.contact@gmail.com)> Released under the MIT license.