diff --git a/plinth/locale/ja/LC_MESSAGES/django.po b/plinth/locale/ja/LC_MESSAGES/django.po
index 6ef359dc6..8d01fa568 100644
--- a/plinth/locale/ja/LC_MESSAGES/django.po
+++ b/plinth/locale/ja/LC_MESSAGES/django.po
@@ -8,8 +8,8 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2023-03-13 21:32-0400\n"
-"PO-Revision-Date: 2021-05-20 12:32+0000\n"
-"Last-Translator: Jacque Fresco <aidter@use.startmail.com>\n"
+"PO-Revision-Date: 2023-05-07 23:50+0000\n"
+"Last-Translator: Nobuhiro Iwamatsu <iwamatsu@gmail.com>\n"
 "Language-Team: Japanese <https://hosted.weblate.org/projects/freedombox/"
 "freedombox/ja/>\n"
 "Language: ja\n"
@@ -17,11 +17,11 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
-"X-Generator: Weblate 4.7-dev\n"
+"X-Generator: Weblate 4.18-dev\n"
 
 #: doc/dev/_templates/layout.html:11
 msgid "Page source"
-msgstr ""
+msgstr "ページのソース"
 
 #: plinth/context_processors.py:23 plinth/views.py:83
 msgid "FreedomBox"
@@ -30,31 +30,31 @@ msgstr "FreedomBox"
 #: plinth/daemon.py:104
 #, python-brace-format
 msgid "Service {service_name} is running"
-msgstr ""
+msgstr "サービス {service_name} は動作中です"
 
 #: plinth/daemon.py:158
 #, python-brace-format
 msgid "Listening on {kind} port {listen_address}:{port}"
-msgstr ""
+msgstr "{kind} port {listen_address}:{port} を 待受中"
 
 #: plinth/daemon.py:162
 #, python-brace-format
 msgid "Listening on {kind} port {port}"
-msgstr ""
+msgstr "{kind} port {port} を待ち受け中"
 
 #: plinth/daemon.py:230
 #, python-brace-format
 msgid "Connect to {host}:{port}"
-msgstr ""
+msgstr "{host}:{port} に接続する"
 
 #: plinth/daemon.py:232
 #, python-brace-format
 msgid "Cannot connect to {host}:{port}"
-msgstr ""
+msgstr "{host}:{port} に接続できません"
 
 #: plinth/forms.py:36
 msgid "Backup app before uninstall"
-msgstr ""
+msgstr "アンインストールの前にアプリケーションをバックアップします"
 
 #: plinth/forms.py:37
 msgid "Restoring from the backup will restore app data."
@@ -783,7 +783,7 @@ msgstr ""
 #: plinth/modules/dynamicdns/forms.py:91 plinth/modules/networks/forms.py:213
 #: plinth/modules/shadowsocks/forms.py:44
 msgid "Password"
-msgstr ""
+msgstr "パスワード"
 
 #: plinth/modules/bepasty/views.py:19
 msgid "admin"
@@ -2166,7 +2166,7 @@ msgstr ""
 
 #: plinth/modules/help/__init__.py:33
 msgid "Documentation"
-msgstr ""
+msgstr "文書化"
 
 #: plinth/modules/help/__init__.py:37 plinth/templates/help-menu.html:20
 #: plinth/templates/help-menu.html:21 plinth/templates/index.html:120