diff --git a/gvmtools/__init__.py b/gvmtools/__init__.py
index e7757b76..7ec186dd 100644
--- a/gvmtools/__init__.py
+++ b/gvmtools/__init__.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2018-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2018-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/gvmtools/cli.py b/gvmtools/cli.py
index 29708a75..7bbfa8f8 100644
--- a/gvmtools/cli.py
+++ b/gvmtools/cli.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2018-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2018-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/gvmtools/config.py b/gvmtools/config.py
index 58527bac..566945d2 100644
--- a/gvmtools/config.py
+++ b/gvmtools/config.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/gvmtools/helper.py b/gvmtools/helper.py
index 1e6a24a8..e232fe46 100644
--- a/gvmtools/helper.py
+++ b/gvmtools/helper.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2018-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2018-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/gvmtools/parser.py b/gvmtools/parser.py
index e6da6cad..956db2b5 100644
--- a/gvmtools/parser.py
+++ b/gvmtools/parser.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2018-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2018-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/gvmtools/pyshell.py b/gvmtools/pyshell.py
index a356a67c..e93589d0 100644
--- a/gvmtools/pyshell.py
+++ b/gvmtools/pyshell.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2018-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2018-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/gvmtools/script.py b/gvmtools/script.py
index 9fff08b9..e9586cfa 100644
--- a/gvmtools/script.py
+++ b/gvmtools/script.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2018-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2018-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/__init__.py b/tests/__init__.py
index 6762622b..8a1007ef 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/scripts/__init__.py b/tests/scripts/__init__.py
index 6bd2322c..5c1757a7 100644
--- a/tests/scripts/__init__.py
+++ b/tests/scripts/__init__.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2020-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/scripts/example_schedules.xml b/tests/scripts/example_schedules.xml
index d45d4dad..c6749fce 100644
--- a/tests/scripts/example_schedules.xml
+++ b/tests/scripts/example_schedules.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 
 <!--
-Copyright (C) 2020 Greenbone AG
+SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 
 SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/tests/scripts/example_target.xml b/tests/scripts/example_target.xml
index 9a87b508..745971a5 100644
--- a/tests/scripts/example_target.xml
+++ b/tests/scripts/example_target.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 
 <!--
-Copyright (C) 2020 Greenbone AG
+SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 
 SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/tests/scripts/example_task.xml b/tests/scripts/example_task.xml
index f5b74274..1ec360a5 100644
--- a/tests/scripts/example_task.xml
+++ b/tests/scripts/example_task.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 
 <!--
-Copyright (C) 2020 Greenbone AG
+SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 
 SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/tests/scripts/get_alerts.xml b/tests/scripts/get_alerts.xml
index ffaf28bb..e3dda04e 100644
--- a/tests/scripts/get_alerts.xml
+++ b/tests/scripts/get_alerts.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 
 <!--
-Copyright (C) 2020 Greenbone AG
+SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 
 SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/tests/scripts/get_scan_configs.xml b/tests/scripts/get_scan_configs.xml
index 3b15eece..731056a9 100644
--- a/tests/scripts/get_scan_configs.xml
+++ b/tests/scripts/get_scan_configs.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 
 <!--
-Copyright (C) 2020 Greenbone AG
+SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 
 SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/tests/scripts/invalid_xml.xml b/tests/scripts/invalid_xml.xml
index c7be01fd..e5ef3f60 100644
--- a/tests/scripts/invalid_xml.xml
+++ b/tests/scripts/invalid_xml.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 
 <!--
-Copyright (C) 2020 Greenbone AG
+SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 
 SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/tests/scripts/test_combine_reports.py b/tests/scripts/test_combine_reports.py
index 0600c128..5e5caa10 100644
--- a/tests/scripts/test_combine_reports.py
+++ b/tests/scripts/test_combine_reports.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2021-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2021-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/scripts/test_create_consolidated_report.py b/tests/scripts/test_create_consolidated_report.py
index 0f473720..8acee005 100644
--- a/tests/scripts/test_create_consolidated_report.py
+++ b/tests/scripts/test_create_consolidated_report.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2021-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2021-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/scripts/test_send_schedules.py b/tests/scripts/test_send_schedules.py
index 55e39d55..409f4fc6 100644
--- a/tests/scripts/test_send_schedules.py
+++ b/tests/scripts/test_send_schedules.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2020-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/scripts/test_send_targets.py b/tests/scripts/test_send_targets.py
index 970eb5e1..5f860bd6 100644
--- a/tests/scripts/test_send_targets.py
+++ b/tests/scripts/test_send_targets.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2020-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/scripts/test_send_tasks.py b/tests/scripts/test_send_tasks.py
index faa9b17c..74e79f6d 100644
--- a/tests/scripts/test_send_tasks.py
+++ b/tests/scripts/test_send_tasks.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2020-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/scripts/test_start_alert_scan.py b/tests/scripts/test_start_alert_scan.py
index 11d5481c..1e353802 100644
--- a/tests/scripts/test_start_alert_scan.py
+++ b/tests/scripts/test_start_alert_scan.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2020-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/test_config.py b/tests/test_config.py
index 67da0770..e4cf53e8 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/test_helper.py b/tests/test_helper.py
index d9b9701a..dfcf9102 100644
--- a/tests/test_helper.py
+++ b/tests/test_helper.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2020-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2020-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
diff --git a/tests/test_parser.py b/tests/test_parser.py
index e58bdcd3..3c4550b2 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #