diff --git a/multi-presence/gpio_presence.hpp b/multi-presence/gpio_presence.hpp
index c34ed75..19b6503 100644
--- a/multi-presence/gpio_presence.hpp
+++ b/multi-presence/gpio_presence.hpp
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright OpenBMC Authors
+
 #pragma once
 
 #include <gpiod.h>