diff --git a/src/assembler.c b/src/assembler.c
index 54d3c1c..7d2d674 100644
--- a/src/assembler.c
+++ b/src/assembler.c
@@ -2,7 +2,7 @@
  *	SPDX-License-Identifier: GPL-3.0-only
  *
  *	rk65c02
- *	Copyright (C) 2017-2019  Radoslaw Kujawa
+ *	Copyright (C) 2017-2021  Radoslaw Kujawa
  *
  *	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/bus.c b/src/bus.c
index cd08906..5a1f9ac 100644
--- a/src/bus.c
+++ b/src/bus.c
@@ -2,7 +2,7 @@
  *      SPDX-License-Identifier: GPL-3.0-only
  *
  *      rk65c02
- *      Copyright (C) 2017-2019  Radoslaw Kujawa
+ *      Copyright (C) 2017-2021  Radoslaw Kujawa
  *
  *      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/debug.c b/src/debug.c
index 086a03e..4ab4093 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -2,7 +2,7 @@
  *      SPDX-License-Identifier: GPL-3.0-only
  *
  *      rk65c02
- *      Copyright (C) 2017-2019  Radoslaw Kujawa
+ *      Copyright (C) 2017-2021  Radoslaw Kujawa
  *
  *      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/device_ram.c b/src/device_ram.c
index c57d13d..f3a3a88 100644
--- a/src/device_ram.c
+++ b/src/device_ram.c
@@ -2,7 +2,7 @@
  *      SPDX-License-Identifier: GPL-3.0-only
  *
  *      rk65c02
- *      Copyright (C) 2017-2019  Radoslaw Kujawa
+ *      Copyright (C) 2017-2021  Radoslaw Kujawa
  *
  *      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/emulation.c b/src/emulation.c
index e8a2218..fcc4e6f 100644
--- a/src/emulation.c
+++ b/src/emulation.c
@@ -2,7 +2,7 @@
  *      SPDX-License-Identifier: GPL-3.0-only
  *
  *      rk65c02
- *      Copyright (C) 2017-2019  Radoslaw Kujawa
+ *      Copyright (C) 2017-2021  Radoslaw Kujawa
  *
  *      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/instruction.c b/src/instruction.c
index cadb7f8..6f04b8a 100644
--- a/src/instruction.c
+++ b/src/instruction.c
@@ -2,7 +2,7 @@
  *      SPDX-License-Identifier: GPL-3.0-only
  *
  *      rk65c02
- *      Copyright (C) 2017-2019  Radoslaw Kujawa
+ *      Copyright (C) 2017-2021  Radoslaw Kujawa
  *
  *      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/log.c b/src/log.c
index 0bf5179..907f997 100644
--- a/src/log.c
+++ b/src/log.c
@@ -2,7 +2,7 @@
  *      SPDX-License-Identifier: GPL-3.0-only
  *
  *      rk65c02
- *      Copyright (C) 2017-2019  Radoslaw Kujawa
+ *      Copyright (C) 2017-2021  Radoslaw Kujawa
  *
  *      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/rk65c02.c b/src/rk65c02.c
index b3df4a2..ffc6d77 100644
--- a/src/rk65c02.c
+++ b/src/rk65c02.c
@@ -2,7 +2,7 @@
  *      SPDX-License-Identifier: GPL-3.0-only
  *
  *      rk65c02
- *      Copyright (C) 2017-2019  Radoslaw Kujawa
+ *      Copyright (C) 2017-2021  Radoslaw Kujawa
  *
  *      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