diff --git a/Generic.yml b/Generic.yml
index 214848e..c42cc17 100644
--- a/Generic.yml
+++ b/Generic.yml
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Thien Tran
+# Copyright (C) 2021-2024 Thien Tran
 #
 # 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
diff --git a/UTM-Chrony.yml b/UTM-Chrony.yml
index a0609b5..bcc7dbd 100644
--- a/UTM-Chrony.yml
+++ b/UTM-Chrony.yml
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Thien Tran
+# Copyright (C) 2021-2024 Thien Tran
 #
 # 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