diff --git a/i18n/af.po b/i18n/af.po
index 04178a5918..60bdd4b651 100644
--- a/i18n/af.po
+++ b/i18n/af.po
@@ -5,13 +5,14 @@
 # Danial K <danial@proctorio.com>, 2021.
 # Dillon Schultz <dillonschultz93@gmail.com>, 2021.
 # Nathan <bonnemainsnathan@gmail.com>, 2021.
+# Eisuke Kawashima <e.kawaschima+weblate@gmail.com>, 2024.
 msgid ""
 msgstr ""
 "Project-Id-Version: Avogadro 1.90.0\n"
 "Report-Msgid-Bugs-To: avogadro-devel@lists.sourceforge.net\n"
 "POT-Creation-Date: 2024-06-30 02:14+0000\n"
-"PO-Revision-Date: 2021-06-19 13:34+0000\n"
-"Last-Translator: Nathan <bonnemainsnathan@gmail.com>\n"
+"PO-Revision-Date: 2024-08-31 05:09+0000\n"
+"Last-Translator: Eisuke Kawashima <e.kawaschima+weblate@gmail.com>\n"
 "Language-Team: Afrikaans <https://hosted.weblate.org/projects/avogadro/"
 "avogadrolibs/af/>\n"
 "Language: af\n"
@@ -19,7 +20,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 4.7\n"
+"X-Generator: Weblate 5.7.1-dev\n"
 
 #: molequeue/batchjob.cpp:70
 #, qt-format
@@ -450,7 +451,7 @@ msgstr ""
 
 #: qtgui/backgroundfileformat.cpp:29 qtgui/backgroundfileformat.cpp:54
 msgid "No molecule set in BackgroundFileFormat!"
-msgstr "##101TEST102102**Hello**"
+msgstr ""
 
 #: qtgui/backgroundfileformat.cpp:32 qtgui/backgroundfileformat.cpp:57
 msgid "No Io::FileFormat set in BackgroundFileFormat!"
diff --git a/i18n/ja.po b/i18n/ja.po
index 18de144870..671fe71be9 100644
--- a/i18n/ja.po
+++ b/i18n/ja.po
@@ -11,8 +11,8 @@ msgstr ""
 "Project-Id-Version: avogadro\n"
 "Report-Msgid-Bugs-To: avogadro-devel@lists.sourceforge.net\n"
 "POT-Creation-Date: 2024-06-30 02:14+0000\n"
-"PO-Revision-Date: 2024-08-29 09:09+0000\n"
-"Last-Translator: LibreTranslate <noreply-mt-libretranslate@weblate.org>\n"
+"PO-Revision-Date: 2024-08-31 05:09+0000\n"
+"Last-Translator: Eisuke Kawashima <e.kawaschima+weblate@gmail.com>\n"
 "Language-Team: Japanese <https://hosted.weblate.org/projects/avogadro/"
 "avogadrolibs/ja/>\n"
 "Language: ja\n"
@@ -240,7 +240,7 @@ msgstr "MoleQueueサーバに接続できません。起動していることを
 #: molequeue/inputgeneratorwidget.cpp:317
 #, qt-format
 msgid "Submit %1 Calculation"
-msgstr ""
+msgstr "%1の計算を投入"
 
 #: molequeue/inputgeneratorwidget.cpp:333
 #: qtplugins/cp2kinput/cp2kinputdialog.cpp:1013
@@ -400,8 +400,9 @@ msgid "Submitting job to MoleQueue…"
 msgstr ""
 
 #: molequeue/molequeuedialog.cpp:66
+#, fuzzy
 msgid "Job Submission Timeout"
-msgstr ""
+msgstr "ジョブの投入がタイムアウト"
 
 #: molequeue/molequeuedialog.cpp:67
 msgid "Avogadro timed out waiting for a reply from MoleQueue."
@@ -2758,10 +2759,8 @@ msgid "Tools for crystal-specific editing/analysis."
 msgstr ""
 
 #: qtplugins/crystal/crystalscene.cpp:178
-#, fuzzy
-#| msgid "Colors:"
 msgid "Color axes:"
-msgstr "カラー"
+msgstr ""
 
 #: qtplugins/crystal/crystalscene.cpp:184
 #, fuzzy
@@ -7693,7 +7692,7 @@ msgstr "色を設定..."
 #. i18n: file: qtplugins/spectra/spectradialog.ui:288
 #. i18n: ectx: property (text), widget (QLabel, label_4)
 msgid "Imported Spectra:"
-msgstr "スペクトルのインポート"
+msgstr "インポートされたスペクトル:"
 
 #. i18n: file: qtplugins/spectra/spectradialog.ui:336
 #. i18n: ectx: property (text), widget (QPushButton, push_export)
@@ -7708,7 +7707,7 @@ msgstr "背景:"
 #. i18n: file: qtplugins/spectra/spectradialog.ui:375
 #. i18n: ectx: property (text), widget (QLabel, label_3)
 msgid "Calculated Spectra:"
-msgstr "計算されたスペクトル"
+msgstr "計算されたスペクトル:"
 
 #. i18n: file: qtplugins/spectra/spectradialog.ui:395
 #. i18n: ectx: property (text), widget (QLabel, label)