diff --git a/internal/certs/data/generate_cert.sh b/internal/certs/data/generate_cert.sh
index 88c1585..396fb77 100755
--- a/internal/certs/data/generate_cert.sh
+++ b/internal/certs/data/generate_cert.sh
@@ -1,4 +1,12 @@
 #!/bin/sh
+#
+# This file is Free Software under the Apache-2.0 License
+# without warranty, see README.md and LICENSES/Apache-2.0.txt for details.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# SPDX-FileCopyrightText: 2025 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
+# Software-Engineering: 2025 Intevation GmbH <https://intevation.de>
 
 # Script to generate the certificates used for testing.