diff --git a/src/i18n/lang/ja-JP.json b/src/i18n/lang/ja-JP.json
index 52fa2898b..d75980c2a 100644
--- a/src/i18n/lang/ja-JP.json
+++ b/src/i18n/lang/ja-JP.json
@@ -146,26 +146,26 @@
         }
       },
       "apiTokens": {
-        "title": "API Tokens",
+        "title": "APIトークン",
         "general": "API tokens allow you to use Vikunja's API without user credentials.",
         "apiDocs": "Check out the api docs",
         "createAToken": "Create a token",
         "createToken": "Create token",
-        "30d": "30 Days",
-        "60d": "60 Days",
-        "90d": "90 Days",
+        "30d": "30日",
+        "60d": "60日",
+        "90d": "90日",
         "permissionExplanation": "Permissions allow you to scope what an api token is allowed to do.",
         "titleRequired": "The title is required",
         "expired": "This token has expired {ago}.",
         "tokenCreatedSuccess": "Here is your new api token: {token}",
-        "tokenCreatedNotSeeAgain": "Store it in a secure location, you won't see it again!",
+        "tokenCreatedNotSeeAgain": "このトークンは二度と表示されません。安全な場所に保管してください。",
         "delete": {
           "header": "Delete this token",
           "text1": "Are you sure you want to delete the token \"{token}\"?",
           "text2": "This will revoke access to all applications or integrations using it. You cannot undo this."
         },
         "attributes": {
-          "title": "Title",
+          "title": "トークン名",
           "titlePlaceholder": "Enter a title you will recognize later",
           "expiresAt": "Expires at",
           "permissions": "Permissions"
@@ -332,21 +332,21 @@
       "title": "カンバン",
       "limit": "Limit: {limit}",
       "noLimit": "未設定",
-      "doneBucket": "Done bucket",
+      "doneBucket": "バケットを完了",
       "doneBucketHint": "All tasks moved into this bucket will automatically marked as done.",
       "doneBucketHintExtended": "All tasks moved into the done bucket will be marked as done automatically. All tasks marked as done from elsewhere will be moved as well.",
       "doneBucketSavedSuccess": "The done bucket has been saved successfully.",
-      "defaultBucket": "Default bucket",
+      "defaultBucket": "デフォルトのバケット",
       "defaultBucketHint": "When creating tasks without specifying a bucket, they will be added to this bucket.",
       "defaultBucketSavedSuccess": "The default bucket has been saved successfully.",
       "deleteLast": "You cannot remove the last bucket.",
       "addTaskPlaceholder": "Enter the new task title…",
       "addTask": "タスクの追加",
       "addAnotherTask": "他のタスクを追加",
-      "addBucket": "Create a new bucket",
-      "addBucketPlaceholder": "Enter the new bucket title…",
-      "deleteHeaderBucket": "Delete the bucket",
-      "deleteBucketText1": "Are you sure you want to delete this bucket?",
+      "addBucket": "新しいバケットの作成",
+      "addBucketPlaceholder": "新しいバケット名を入力…",
+      "deleteHeaderBucket": "バケットの削除",
+      "deleteBucketText1": "このバケットを削除して本当によろしいですか？",
       "deleteBucketText2": "This will not delete any tasks but move them into the default bucket.",
       "deleteBucketSuccess": "The bucket has been deleted successfully.",
       "bucketTitleSavedSuccess": "The bucket title has been saved successfully.",
@@ -609,7 +609,7 @@
       "closePopup": "閉じる",
       "organization": "Organization",
       "management": "Management",
-      "dateAndTime": "Date and time",
+      "dateAndTime": "日付と時刻",
       "delete": {
         "header": "タスクの削除",
         "text1": "このタスクを削除して本当によろしいですか？",
@@ -770,7 +770,7 @@
     "repeat": {
       "everyDay": "毎日",
       "everyWeek": "毎週",
-      "every30d": "Every 30 Days",
+      "every30d": "30日ごと",
       "mode": "繰り返しモード",
       "monthly": "毎月",
       "fromCurrentDate": "現在時刻からの間隔",