diff --git a/update-keys b/update-keys
index a06dc742e9ef0c1c6223b8ad5a96c734de16a4b7..d1255412794ee5d0ceb8d2cac05435c495c96cf1 100755
--- a/update-keys
+++ b/update-keys
@@ -1,4 +1,6 @@
 #!/bin/bash
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 set -e