diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6460b273b0d037eca0c96c2c956ed18525c812bd..f3927641cb8993e1715a669968cf6db3482db14e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 stages:
   - check-status
   - trigger dumux pipelines
diff --git a/.gitlab-ci/default.yml b/.gitlab-ci/default.yml
index 2abf70bf234ab6a502415686d20e43b76f1f24f8..df7ce1a32951cb29c8a97fe72fa6a32b9af594fd 100644
--- a/.gitlab-ci/default.yml
+++ b/.gitlab-ci/default.yml
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 default:
   image: $IMAGE
   retry: