diff --git a/fake-tcp/README.md b/fake-tcp/README.md
index 5aa6bb5..4091f41 100644
--- a/fake-tcp/README.md
+++ b/fake-tcp/README.md
@@ -5,7 +5,7 @@ packet oriented tunneling with minimum overhead.
 
 ## License
 
-Copyright 2021 Datong Sun <dndx@idndx.com>
+Copyright 2021-2025 Datong Sun <dndx@idndx.com>
 
 Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 [https://www.apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)> or the MIT license
diff --git a/phantun/README.md b/phantun/README.md
index 46476e4..7e3812e 100644
--- a/phantun/README.md
+++ b/phantun/README.md
@@ -4,7 +4,7 @@ Client/Server crate, see [Phantun Project README.md](https://github.com/dndx/pha
 
 ## License
 
-Copyright 2021 Datong Sun <dndx@idndx.com>
+Copyright 2021-2025 Datong Sun <dndx@idndx.com>
 
 Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 [https://www.apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)> or the MIT license