diff --git a/aws/README-zh.md b/aws/README-zh.md
index 570af55..b16822b 100644
--- a/aws/README-zh.md
+++ b/aws/README-zh.md
@@ -119,4 +119,4 @@ $ ssh -i path/to/your/new-key-file.pem instance-username@instance-ip-address
 
 ## 作者
 
-版权所有 (C) 2020-2023 [Scott X. L.](https://github.com/scottpedia) <[wtanglef@pm.me](mailto:wtanglef@pm.me)>
+版权所有 (C) 2020-2024 [Scott X. L.](https://github.com/scottpedia) <[wtanglef@pm.me](mailto:wtanglef@pm.me)>
diff --git a/aws/README.md b/aws/README.md
index b475a0b..823bd97 100644
--- a/aws/README.md
+++ b/aws/README.md
@@ -119,4 +119,4 @@ You may use the "Delete" button on the CloudFormation stack page to delete the C
 
 ## Author
 
-Copyright (C) 2020-2023 [Scott X. L.](https://github.com/scottpedia) <[wtanglef@pm.me](mailto:wtanglef@pm.me)>
+Copyright (C) 2020-2024 [Scott X. L.](https://github.com/scottpedia) <[wtanglef@pm.me](mailto:wtanglef@pm.me)>
diff --git a/aws/cloudformation-template-ipsec.json b/aws/cloudformation-template-ipsec.json
index d35ea97..a2a1162 100644
--- a/aws/cloudformation-template-ipsec.json
+++ b/aws/cloudformation-template-ipsec.json
@@ -9,7 +9,7 @@
                     "based on the work of Lin Song <linsongui@gmail.com> : https://github.com/hwdsl2/setup-ipsec-vpn",
                     "The latest version of this template can be found at : https://github.com/hwdsl2/setup-ipsec-vpn/aws",
                     "",
-                    "Copyright (C) 2020-2023 Scott X. L. <wtanglef@pm.me>",
+                    "Copyright (C) 2020-2024 Scott X. L. <wtanglef@pm.me>",
                     "",
                     "This work is licensed under the Creative Commons Attribution-ShareAlike 3.0",
                     "Unported License: http://creativecommons.org/licenses/by-sa/3.0/",