diff --git a/LICENSE b/LICENSE
index 3706381..84eff2d 100644
--- a/LICENSE
+++ b/LICENSE
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2025 肖其顿 (XIAO QI DUN)
+   Copyright 2025-2026 肖其顿 (XIAO QI DUN)
 
    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/NOTICE b/NOTICE
index db8f862..99c15f2 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 klock
-Copyright 2025 肖其顿 (XIAO QI DUN)
+Copyright 2025-2026 肖其顿 (XIAO QI DUN)
 
 This product includes software developed by
 肖其顿 (XIAO QI DUN) (https://github.com/xiaoqidun/klock).
\ No newline at end of file
diff --git a/example_test.go b/example_test.go
index 1c60626..41f7681 100644
--- a/example_test.go
+++ b/example_test.go
@@ -1,4 +1,4 @@
-// Copyright 2025 肖其顿 (XIAO QI DUN)
+// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
 //
 // 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/go.mod b/go.mod
index 84b14a6..b9347d3 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/xiaoqidun/klock
 
-go 1.25.1
+go 1.24.0
diff --git a/klock.go b/klock.go
index e8cfa55..ac47526 100644
--- a/klock.go
+++ b/klock.go
@@ -1,4 +1,4 @@
-// Copyright 2025 肖其顿 (XIAO QI DUN)
+// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
 //
 // 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/klock_test.go b/klock_test.go
index b46b5d4..3114f0f 100644
--- a/klock_test.go
+++ b/klock_test.go
@@ -1,4 +1,4 @@
-// Copyright 2025 肖其顿 (XIAO QI DUN)
+// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.