diff --git a/tools/sz_repo_cli/lib/src/common/src/process_runner_utils.dart b/tools/sz_repo_cli/lib/src/common/src/process_runner_utils.dart
index f72dc0671..b97a490d8 100644
--- a/tools/sz_repo_cli/lib/src/common/src/process_runner_utils.dart
+++ b/tools/sz_repo_cli/lib/src/common/src/process_runner_utils.dart
@@ -1,3 +1,11 @@
+// Copyright (c) 2023 Sharezone UG (haftungsbeschränkt)
+// Licensed under the EUPL-1.2-or-later.
+//
+// You may obtain a copy of the Licence at:
+// https://joinup.ec.europa.eu/software/page/eupl
+//
+// SPDX-License-Identifier: EUPL-1.2
+
 import 'dart:convert';
 import 'dart:io';