diff --git a/poky/bitbake/lib/bblayers/__init__.py b/poky/bitbake/lib/bblayers/__init__.py
index 3ad9513..4e7c09d 100644
--- a/poky/bitbake/lib/bblayers/__init__.py
+++ b/poky/bitbake/lib/bblayers/__init__.py
@@ -1,2 +1,6 @@
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
+
 from pkgutil import extend_path
 __path__ = extend_path(__path__, __name__)