diff --git a/site/plugins/admin/lang/ja_JP.yaml b/site/plugins/admin/lang/ja_JP.yaml
index 038c6c62..69494dc5 100644
--- a/site/plugins/admin/lang/ja_JP.yaml
+++ b/site/plugins/admin/lang/ja_JP.yaml
@@ -250,3 +250,4 @@ admin_twig_templating: "Twig Templating"
 admin_twig_debug: "Debug"
 admin_twig_charset: "Charset"
 admin_twig_cache: "Cache"
+admin_published_at: "Published at"