diff --git a/ja_JP/LC_MESSAGES/messages.po b/ja_JP/LC_MESSAGES/messages.po
index 25959543..d206e5b5 100644
--- a/ja_JP/LC_MESSAGES/messages.po
+++ b/ja_JP/LC_MESSAGES/messages.po
@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: ddc573f086bad0aea827918f4284d176\n"
 "POT-Creation-Date: 2024-06-07 20:48-0700\n"
-"PO-Revision-Date: 2024-11-08 19:08\n"
+"PO-Revision-Date: 2024-11-12 19:16\n"
 "Last-Translator: FOSSBilling TM <info@fossbilling.org>\n"
 "Language-Team: Japanese\n"
 "MIME-Version: 1.0\n"
@@ -261,7 +261,7 @@ msgstr ""
 
 #: library/FOSSBilling/Config.php:90
 msgid "An error occurred when creating a backup of the configuration file."
-msgstr ""
+msgstr "設定ファイルのバックアップを作成中にエラーが発生しました。"
 
 #: library/FOSSBilling/Config.php:96
 msgid "An error occurred when writing the updated configuration file."
@@ -384,7 +384,7 @@ msgstr ""
 
 #: library/FOSSBilling/Validate.php:134
 msgid "Maximum password length is 256 characters."
-msgstr ""
+msgstr "パスワードの最大文字数は 256 文字です。"
 
 #: library/FOSSBilling/Validate.php:138
 msgid "Password must include at least one number."