diff --git a/include/authentication.hpp b/include/authentication.hpp
index b423af2..9bb0351 100644
--- a/include/authentication.hpp
+++ b/include/authentication.hpp
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright OpenBMC Authors
 #pragma once
 
 #include "cookies.hpp"