diff --git a/.gitignore b/.gitignore
index 567609b1234a9b8806c5a05da6c866e480aa148d..34a8741b7bf2a05e5c46096c3f3641711a543631 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
+# SPDX-FileCopyrightText: 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
+#
+# SPDX-License-Identifier: Apache-2.0
+
 build/