diff --git a/petitnote/functions.php b/petitnote/functions.php
index 3b69a27a..4befed1c 100644
--- a/petitnote/functions.php
+++ b/petitnote/functions.php
@@ -1,5 +1,5 @@
 <?php
-$functions_ver=20241230;
+$functions_ver=20250101;
 //編集モードログアウト
 function logout(): void {
 	$resno=(int)filter_input(INPUT_GET,'resno',FILTER_VALIDATE_INT);
diff --git a/petitnote/index.php b/petitnote/index.php
index c686c600..ed2a5a04 100644
--- a/petitnote/index.php
+++ b/petitnote/index.php
@@ -1,8 +1,8 @@
 <?php
-//Petit Note (c)さとぴあ @satopian 2021-2024
+//Petit Note (c)さとぴあ @satopian 2021-2025
 //1スレッド1ログファイル形式のスレッド式画像掲示板
-$petit_ver='v1.66.2';
-$petit_lot='lot.20241230';
+$petit_ver='v1.66.3';
+$petit_lot='lot.20250101';
 
 $lang = ($http_langs = isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : '')
   ? explode( ',', $http_langs )[0] : '';
@@ -17,7 +17,7 @@
 	die(__DIR__.'/functions.php'.($en ? ' does not exist.':'がありません。'));
 }
 require_once(__DIR__.'/functions.php');
-if(!isset($functions_ver)||$functions_ver<20241230){
+if(!isset($functions_ver)||$functions_ver<20250101){
 	die($en?'Please update functions.php to the latest version.':'functions.phpを最新版に更新してください。');
 }
 check_file(__DIR__.'/misskey_note.inc.php');