diff --git a/tests/python/ui_simulate/modules/easy_keys.py b/tests/python/ui_simulate/modules/easy_keys.py
index 3d8f08e3176..dbeffae1110 100644
--- a/tests/python/ui_simulate/modules/easy_keys.py
+++ b/tests/python/ui_simulate/modules/easy_keys.py
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2019-2023 Blender Authors
+#
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 import string
diff --git a/tests/python/ui_simulate/run.py b/tests/python/ui_simulate/run.py
index 64537cce971..e6eb031d755 100755
--- a/tests/python/ui_simulate/run.py
+++ b/tests/python/ui_simulate/run.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+# SPDX-FileCopyrightText: 2019-2023 Blender Authors
+#
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 """
diff --git a/tests/python/ui_simulate/run_blender_setup.py b/tests/python/ui_simulate/run_blender_setup.py
index cd206a3e1ad..49d3e65e6e7 100644
--- a/tests/python/ui_simulate/run_blender_setup.py
+++ b/tests/python/ui_simulate/run_blender_setup.py
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2019-2023 Blender Authors
+#
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 """
diff --git a/tests/python/ui_simulate/test_undo.py b/tests/python/ui_simulate/test_undo.py
index e6519263bcc..c88362de377 100644
--- a/tests/python/ui_simulate/test_undo.py
+++ b/tests/python/ui_simulate/test_undo.py
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2019-2023 Blender Authors
+#
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 """