diff --git a/presence/gpio_presence.hpp b/presence/gpio_presence.hpp
index 52a1653..b37cc0c 100644
--- a/presence/gpio_presence.hpp
+++ b/presence/gpio_presence.hpp
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright OpenBMC Authors
+
 #pragma once
 #include "evdev.hpp"