diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 2eaf4edfd0..df687ad0fd 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2010 - 2024 the Friendica project
+#
+# SPDX-License-Identifier: CC0-1.0
+
 name: Testing Friendica
 
 on: [workflow_dispatch]