diff --git a/synapse/crypto/__init__.py b/synapse/crypto/__init__.py
index c488b10d3c..bfebb0f644 100644
--- a/synapse/crypto/__init__.py
+++ b/synapse/crypto/__init__.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014, 2015 OpenMarket Ltd
+# Copyright 2014-2016 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/crypto/context_factory.py b/synapse/crypto/context_factory.py
index c4390f3b2b..aad4752fe7 100644
--- a/synapse/crypto/context_factory.py
+++ b/synapse/crypto/context_factory.py
@@ -1,4 +1,4 @@
-# Copyright 2014, 2015 OpenMarket Ltd
+# Copyright 2014-2016 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/crypto/event_signing.py b/synapse/crypto/event_signing.py
index 64e40864af..ec7711ba7d 100644
--- a/synapse/crypto/event_signing.py
+++ b/synapse/crypto/event_signing.py
@@ -1,6 +1,6 @@
# -*- coding: utf-8 -*-
-# Copyright 2014, 2015 OpenMarket Ltd
+# Copyright 2014-2016 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/crypto/keyclient.py b/synapse/crypto/keyclient.py
index 24f15f3154..784d02f122 100644
--- a/synapse/crypto/keyclient.py
+++ b/synapse/crypto/keyclient.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014, 2015 OpenMarket Ltd
+# Copyright 2014-2016 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/crypto/keyring.py b/synapse/crypto/keyring.py
index 1fea568eed..cddec0b2bc 100644
--- a/synapse/crypto/keyring.py
+++ b/synapse/crypto/keyring.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014, 2015 OpenMarket Ltd
+# Copyright 2014-2016 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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