diff --git a/utils/codegen/gen-header.sh b/utils/codegen/gen-header.sh
index c78f0859..9e833ff9 100755
--- a/utils/codegen/gen-header.sh
+++ b/utils/codegen/gen-header.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 dst_file="$1"
 shift
diff --git a/utils/gen-shader-headers.sh b/utils/gen-shader-headers.sh
index 92f6f818..0d664952 100755
--- a/utils/gen-shader-headers.sh
+++ b/utils/gen-shader-headers.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 set -e