diff --git a/locales/ja-KS.yml b/locales/ja-KS.yml
index cec81fce6c..3210fbdf33 100644
--- a/locales/ja-KS.yml
+++ b/locales/ja-KS.yml
@@ -301,6 +301,7 @@ common/views/components/note-menu.vue:
   copy-link: "リンクをコピー"
   favorite: "お気に入り"
   pin: "ピン留め"
+  unpin: "ピン留め解除"
   delete: "ほかす"
   delete-confirm: "この投稿を削除してもええか？"
   remote: "投稿元に行ってみよか"