diff --git a/airflow/providers/google/cloud/operators/sql_to_gcs.py b/airflow/providers/google/cloud/operators/sql_to_gcs.py
index 7909e3d677e3..556232f9c9ed 100644
--- a/airflow/providers/google/cloud/operators/sql_to_gcs.py
+++ b/airflow/providers/google/cloud/operators/sql_to_gcs.py
@@ -178,7 +178,9 @@ def _write_local_data_files(self, cursor):
                 row_dict = dict(zip(schema, row))
 
                 # TODO validate that row isn't > 2MB. BQ enforces a hard row size of 2MB.
-                tmp_file_handle.write(json.dumps(row_dict, sort_keys=True).encode('utf-8'))
+                tmp_file_handle.write(
+                    json.dumps(row_dict, sort_keys=True, ensure_ascii=False).encode("utf-8")
+                )
 
                 # Append newline to make dumps BigQuery compatible.
                 tmp_file_handle.write(b'\n')