diff --git a/src/engine/platform/zxbeeperquadtone.cpp b/src/engine/platform/zxbeeperquadtone.cpp
index b6e6e1442..114c8b66d 100644
--- a/src/engine/platform/zxbeeperquadtone.cpp
+++ b/src/engine/platform/zxbeeperquadtone.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * Copyright (C) 2021-2023 tildearrow and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/engine/platform/zxbeeperquadtone.h b/src/engine/platform/zxbeeperquadtone.h
index 7da58b1db..8291f8646 100644
--- a/src/engine/platform/zxbeeperquadtone.h
+++ b/src/engine/platform/zxbeeperquadtone.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * Copyright (C) 2021-2023 tildearrow and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by