diff --git a/lexicons/space/litenote/note.json b/lexicons/space/litenote/note.json
index 172e770..a9b0752 100644
--- a/lexicons/space/litenote/note.json
+++ b/lexicons/space/litenote/note.json
@@ -19,6 +19,10 @@
             "description": "Markdown content of the blog post",
             "maxLength": 10000
           },
+          "publishedAt": {
+            "type": "string",
+            "format": "datetime"
+          },
           "createdAt": {
             "type": "string",
             "format": "datetime"