diff --git a/dags/stellar_etl_airflow/build_get_update_library_task.py b/dags/stellar_etl_airflow/build_get_update_library_task.py
index 420ccfed..6515730c 100644
--- a/dags/stellar_etl_airflow/build_get_update_library_task.py
+++ b/dags/stellar_etl_airflow/build_get_update_library_task.py
@@ -41,4 +41,4 @@ def send_library_to_gcs(file_url, bucket_name, destination_blob_name):
 
 def check_file_upload_date(bucket_name, file_name):
     blob = create_gcs_blob(bucket_name, file_name)
-    return blob.time_created
+    return blob.update()