diff --git a/evdev.hpp b/evdev.hpp
index c60022b..cc3e358 100644
--- a/evdev.hpp
+++ b/evdev.hpp
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright OpenBMC Authors
+
 #pragma once
 #include "file.hpp"