diff --git a/api/services/dataset_service.py b/api/services/dataset_service.py
index 0533d685b8..af1210c19d 100644
--- a/api/services/dataset_service.py
+++ b/api/services/dataset_service.py
@@ -344,6 +344,9 @@ class DatasetService:
             raise ValueError("External knowledge id is required.")
         if not external_knowledge_api_id:
             raise ValueError("External knowledge api id is required.")
+        # Update metadata fields
+        dataset.updated_by = user.id if user else None
+        dataset.updated_at = datetime.datetime.utcnow()
         db.session.add(dataset)
 
         # Update external knowledge binding