diff --git a/src/stratum.cpp b/src/stratum.cpp
index cf5ee5ac6..287cd609d 100644
--- a/src/stratum.cpp
+++ b/src/stratum.cpp
@@ -1,6 +1,6 @@
-// Copyright (c) 2021-2021 The Hush developers
-// Copyright (c) 2020-2021 The Freicoin Developers
-// Copyright (c) 2021-2021 Decker
+// Copyright (c) 2021-2022 The Hush developers
+// Copyright (c) 2020-2022 The Freicoin Developers
+// Copyright (c) 2021-2022 Decker
 // This Source Code Form is subject to the terms of the Mozilla Public
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
diff --git a/src/stratum.h b/src/stratum.h
index 56dc52056..0abcbbaf7 100644
--- a/src/stratum.h
+++ b/src/stratum.h
@@ -1,5 +1,5 @@
-// Copyright (c) 2021-2021 The Hush developers
-// Copyright (c) 2020-2021 The Freicoin Developers
+// Copyright (c) 2021-2022 The Hush developers
+// Copyright (c) 2020-2022 The Freicoin Developers
 // This Source Code Form is subject to the terms of the Mozilla Public
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
diff --git a/util/update-copyrights.sh b/util/update-copyrights.sh
index b243d40e7..ba9a9c5e3 100755
--- a/util/update-copyrights.sh
+++ b/util/update-copyrights.sh
@@ -6,4 +6,4 @@
 # TODO: verify $1 and $2 exist
 # TODO: verify ack and xargs exist on this system
 
-ack -l -i "201.-202.*Hush dev" | xargs ./util/replace.pl -$1 -$2
+ack -l -i "20..-20..*Hush dev" | xargs ./util/replace.pl -$1 -$2