diff --git a/python/__init__.py b/python/__init__.py
index 19d1424..1249a6f 100755
--- a/python/__init__.py
+++ b/python/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2019-present Open Networking Foundation
+# Copyright 2019-2023 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/python/test/__init__.py b/python/test/__init__.py
index 19d1424..1249a6f 100755
--- a/python/test/__init__.py
+++ b/python/test/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2019-present Open Networking Foundation
+# Copyright 2019-2023 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/python/test/test_protos.py b/python/test/test_protos.py
index d13f5e9..cd4bad5 100755
--- a/python/test/test_protos.py
+++ b/python/test/test_protos.py
@@ -1,4 +1,4 @@
-# Copyright 2019-present Open Networking Foundation
+# Copyright 2019-2023 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/python/voltha_protos/__init__.py b/python/voltha_protos/__init__.py
index 19d1424..1249a6f 100755
--- a/python/voltha_protos/__init__.py
+++ b/python/voltha_protos/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2019-present Open Networking Foundation
+# Copyright 2019-2023 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.