diff --git a/custom-skills/32-notion-writer/code/scripts/notion_writer.py b/custom-skills/32-notion-writer/code/scripts/notion_writer.py
index 8bbb20f..3c91093 100644
--- a/custom-skills/32-notion-writer/code/scripts/notion_writer.py
+++ b/custom-skills/32-notion-writer/code/scripts/notion_writer.py
@@ -318,6 +318,7 @@ def create_callout_block(text: str, alert_type: str) -> Dict[str, Any]:
     """Create a callout block with icon + color from a GitHub alert type."""
     icon, color = ALERT_TYPES[alert_type]
     return {
+        "object": "block",
         "type": "callout",
         "callout": {
             "rich_text": parse_rich_text(text),