diff --git a/translations/.gitignore b/translations/.gitignore
new file mode 100644
index 0000000..cd1f2c9
--- /dev/null
+++ b/translations/.gitignore
@@ -0,0 +1 @@
+*.mo
diff --git a/translations/pot/po/ja/gds-render.po b/translations/pot/po/ja/gds-render.po
index c229711..e8d0355 100644
--- a/translations/pot/po/ja/gds-render.po
+++ b/translations/pot/po/ja/gds-render.po
@@ -8,7 +8,7 @@ msgstr ""
 "Project-Id-Version: gds-render\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2019-12-16 18:27+0100\n"
-"PO-Revision-Date: 2019-12-16 22:39+0100\n"
+"PO-Revision-Date: 2020-01-16 22:54+0100\n"
 "Last-Translator: Mario Hüttel <mario.huettel@gmx.net>\n"
 "Language-Team: Japanese <translation-team-ja@lists.sourceforge.net>\n"
 "Language: ja\n"
@@ -16,6 +16,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
+"X-Generator: Poedit 2.2.4\n"
 
 #: ../main.c:97
 #, c-format
@@ -24,84 +25,87 @@ msgid ""
 "\n"
 "Full git commit: %s"
 msgstr ""
+"\n"
+"\n"
+"git コミット: %s"
 
 #: ../main.c:294
 msgid " FILE - Convert GDS file <FILE> to graphic"
-msgstr ""
+msgstr " ファイル - ファイルを変換する"
 
 #: ../resources/about.glade:10
 msgid "!! Replaced during runtime !!"
-msgstr ""
+msgstr "!! ランタイムで代わる !!"
 
 #: ../command-line.c:205
 #, c-format
 msgid "%d reference loops found.\n"
-msgstr ""
+msgstr "%d 参照ループが見つかりました.\n"
 
 #: ../main.c:220
 msgid "About"
-msgstr ""
+msgstr "情報"
 
 #: ../main.c:290
 msgid "Argument string passed to render lib"
-msgstr ""
+msgstr "レンダリングに渡されるデタ"
 
 #: ../resources/main.glade:225
 msgid "Automatically color layers"
-msgstr ""
+msgstr "レイヤーを自動的に色付けする"
 
 #: ../resources/main.glade:255
 msgid "Automatically name layers"
-msgstr ""
+msgstr "レイヤーに自動的に名前を付ける"
 
 #: ../gds-utils/gds-tree-checker.c:71
 #, c-format
 msgid "Broken cell list item found in cell %s. Will continue.\n"
-msgstr ""
+msgstr "%sのセルで壊れたセルリストアイテムが見つかりました。続けます。\n"
 
 #: ../gds-utils/gds-tree-checker.c:57
 #, c-format
 msgid "Broken cell list item found. Will continue.\n"
-msgstr ""
+msgstr "壊れたセルリストアイテムが見つかりました。続けます。\n"
 
 #: ../output-renderers/cairo-renderer.c:409
 #, c-format
 msgid "Cairo export finished. It might still be buggy!\n"
-msgstr ""
+msgstr "Cairoの変換が終了しました.\n"
 
 #. Execute
 #: ../output-renderers/external-renderer.c:120
 msgid "Calling external renderer."
-msgstr ""
+msgstr "外部レンダラーの実行。"
 
 #: ../gds-render-gui.c:286 ../widgets/conv-settings-dialog.c:291
 msgid "Cancel"
-msgstr ""
+msgstr "キャンセル"
 
 #: ../gds-render-gui.c:244
 msgid "Cell"
-msgstr ""
+msgstr "セル"
 
 #: ../command-line.c:209
 #, c-format
 msgid "Cell is affected by reference loop. Abort!\n"
-msgstr ""
+msgstr "このセルに参照ループがあります。アボート！\n"
 
 #: ../main.c:284
 msgid "Cell to render"
-msgstr ""
+msgstr "レンダリングされるセル"
 
 #: ../command-line.c:215
 #, c-format
 msgid ""
 "Cell was not checked. This should not happen. Please report this issue. Will "
 "continue either way.\n"
-msgstr ""
+msgstr "セルのチェックはしませんでした。これは問題です。\n"
 
 #: ../command-line.c:202
 #, c-format
 msgid "Checking library %s failed.\n"
-msgstr ""
+msgstr "ライブラリ %s のチェックは失敗しました。\n"
 
 #: ../resources/dialog.glade:79
 msgid "Configure LaTeX as standalone document"