diff --git a/benchmarks/convert_to_csv.py b/benchmarks/convert_to_csv.py
index 587727c8aaccd..4b025b30a2750 100644
--- a/benchmarks/convert_to_csv.py
+++ b/benchmarks/convert_to_csv.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 from argparse import ArgumentParser
 import pandas as pd