diff --git a/file.hpp b/file.hpp
index bc970bf..3ee65d4 100644
--- a/file.hpp
+++ b/file.hpp
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright OpenBMC Authors
+
 #pragma once
 
 #include <unistd.h>