diff --git a/.github/ISSUE_TEMPLATE/01_bug-report.yml b/.github/ISSUE_TEMPLATE/01_bug-report.yml
index 315e712c30e4..077855b5bf35 100644
--- a/.github/ISSUE_TEMPLATE/01_bug-report.yml
+++ b/.github/ISSUE_TEMPLATE/01_bug-report.yml
@@ -54,7 +54,7 @@ body:
           * Model and OS of the device(s): MacBook Pro (14inch, 2021), macOS Ventura 13.4
           * Browser: Chrome 113.0.5672.126
           * Server URL: misskey.example.com
-          * Misskey: 2024.x.x
+          * Misskey: 2025.x.x
       value: |
         * Model and OS of the device(s):
         * Browser:
@@ -74,7 +74,7 @@ body:
 
         Examples:
           * Installation Method or Hosting Service: docker compose, k8s/docker, systemd, "Misskey install shell script", development environment
-          * Misskey: 2024.x.x
+          * Misskey: 2025.x.x
           * Node: 20.x.x
           * PostgreSQL: 15.x.x
           * Redis: 7.x.x
diff --git a/COPYING b/COPYING
index 6a5f3ca1d598..7635bfc913a7 100644
--- a/COPYING
+++ b/COPYING
@@ -1,5 +1,5 @@
 Unless otherwise stated this repository is
-Copyright © 2014-2024 syuilo and contributors
+Copyright © 2014-2025 syuilo and contributors
 
 And is distributed under The GNU Affero General Public License Version 3, you should have received a copy of the license file as LICENSE.
 
diff --git a/packages/misskey-js/LICENSE b/packages/misskey-js/LICENSE
index 63762b85d863..16352625dbb4 100644
--- a/packages/misskey-js/LICENSE
+++ b/packages/misskey-js/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021-2024 syuilo and other contributors
+Copyright (c) 2021-2025 syuilo and other contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal