diff --git a/synapse/push/__init__.py b/synapse/push/__init__.py
index ad0c292842..7bc99bd785 100644
--- a/synapse/push/__init__.py
+++ b/synapse/push/__init__.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2015, 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py
index aa00c46993..34ab637c3d 100644
--- a/synapse/push/bulk_push_rule_evaluator.py
+++ b/synapse/push/bulk_push_rule_evaluator.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2015 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/clientformat.py b/synapse/push/clientformat.py
index ef011db202..b4afcfd85b 100644
--- a/synapse/push/clientformat.py
+++ b/synapse/push/clientformat.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/emailpusher.py b/synapse/push/emailpusher.py
index df2497643e..0a14c534f7 100644
--- a/synapse/push/emailpusher.py
+++ b/synapse/push/emailpusher.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py
index 0c5bda12a1..dd9b64d6ef 100644
--- a/synapse/push/httppusher.py
+++ b/synapse/push/httppusher.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2015, 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py
index 0a174a5396..60161e86f2 100644
--- a/synapse/push/mailer.py
+++ b/synapse/push/mailer.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/presentable_names.py b/synapse/push/presentable_names.py
index 076e18a168..1faa57e9f5 100644
--- a/synapse/push/presentable_names.py
+++ b/synapse/push/presentable_names.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/push_tools.py b/synapse/push/push_tools.py
index cce9583fa7..76c7ab6477 100644
--- a/synapse/push/push_tools.py
+++ b/synapse/push/push_tools.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2015, 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/push_types.py b/synapse/push/push_types.py
index e251dd99fd..201ec97219 100644
--- a/synapse/push/push_types.py
+++ b/synapse/push/push_types.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2021 The Matrix.org Foundation C.I.C.
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/pusher.py b/synapse/push/pusher.py
index 70045c11c7..9a5dd7a9d4 100644
--- a/synapse/push/pusher.py
+++ b/synapse/push/pusher.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2014-2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py
index 727f78adef..0a7541b4c7 100644
--- a/synapse/push/pusherpool.py
+++ b/synapse/push/pusherpool.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2015, 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
diff --git a/synapse/push/rulekinds.py b/synapse/push/rulekinds.py
index 4b32759c30..781ecc7fae 100644
--- a/synapse/push/rulekinds.py
+++ b/synapse/push/rulekinds.py
@@ -1,6 +1,7 @@
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
+# Copyright 2015, 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
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