diff --git a/synapse/federation/__init__.py b/synapse/federation/__init__.py
index b15e7cf941..1351b68fd6 100644
--- a/synapse/federation/__init__.py
+++ b/synapse/federation/__init__.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# 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/synapse/federation/pdu_codec.py b/synapse/federation/pdu_codec.py
index adc166c564..cef61108dd 100644
--- a/synapse/federation/pdu_codec.py
+++ b/synapse/federation/pdu_codec.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# 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/synapse/federation/persistence.py b/synapse/federation/persistence.py
index 4cf72b2e42..de36a80e41 100644
--- a/synapse/federation/persistence.py
+++ b/synapse/federation/persistence.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# 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/synapse/federation/replication.py b/synapse/federation/replication.py
index 564f629594..e12510017f 100644
--- a/synapse/federation/replication.py
+++ b/synapse/federation/replication.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# 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/synapse/federation/transport.py b/synapse/federation/transport.py
index 50c3df4a5d..6e62ae7c74 100644
--- a/synapse/federation/transport.py
+++ b/synapse/federation/transport.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# 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/synapse/federation/units.py b/synapse/federation/units.py
index b468f70546..9740431279 100644
--- a/synapse/federation/units.py
+++ b/synapse/federation/units.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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