diff --git a/polkit-agent/translations/ja_JP.ts b/polkit-agent/translations/ja_JP.ts
new file mode 100644
index 0000000..e62cea6
--- /dev/null
+++ b/polkit-agent/translations/ja_JP.ts
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.1" language="ja" sourcelanguage="de_DE">
+<context>
+    <name>main</name>
+    <message>
+        <location filename="../main.qml" line="67"/>
+        <source>Password</source>
+        <translation>パスワード</translation>
+    </message>
+    <message>
+        <location filename="../main.qml" line="94"/>
+        <source>Done</source>
+        <translation>終了</translation>
+    </message>
+    <message>
+        <location filename="../main.qml" line="86"/>
+        <source>Cancel</source>
+        <translation type="unfinished">取り消し</translation>
+    </message>
+</context>
+</TS>