diff --git a/README.md b/README.md
index 462f298..56aac19 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Next, compile the source code and ensure everything runs and works fine. If you'
 
 ## License
 
-Copyright (C) 2020-2022 David Leal (halfpacho@gmail.com)\
+Copyright (C) 2020-2023 David Leal (halfpacho@gmail.com)\
 This program is licensed under the [GNU GPLv3.0](http://www.gnu.org/licenses/gpl-3.0.html) license.
 
 See [`LICENSE.md`](https://github.com/Panquesito7/tic-tac-toe/blob/main/LICENSE.md) for more information.
diff --git a/src/TicTacToe.cpp b/src/TicTacToe.cpp
index e08b309..84cbbe9 100644
--- a/src/TicTacToe.cpp
+++ b/src/TicTacToe.cpp
@@ -1,6 +1,6 @@
 /**
  * Tic Tac Toe game, implemented in C++/CLI/CLR using Windows forms.
- * Copyright (C) 2020-2021 David Leal (halfpacho@gmail.com)
+ * Copyright (C) 2020-2023 David Leal (halfpacho@gmail.com)
  *
  * 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/TicTacToe.h b/src/TicTacToe.h
index 37ab5d9..18ec7d8 100644
--- a/src/TicTacToe.h
+++ b/src/TicTacToe.h
@@ -1,6 +1,6 @@
 /**
  * Tic Tac Toe game, implemented in C++/CLI/CLR using Windows forms.
- * Copyright (C) 2020-2022 David Leal (halfpacho@gmail.com)
+ * Copyright (C) 2020-2023 David Leal (halfpacho@gmail.com)
  *
  * 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