diff --git a/LICENSE b/LICENSE
index be6b093..cac8ac4 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021-2022 Hirrolot
+Copyright (c) 2021-2023 Hirrolot
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/interface99.h b/interface99.h
index e583aaa..1f32f00 100644
--- a/interface99.h
+++ b/interface99.h
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021-2022 Hirrolot
+Copyright (c) 2021-2023 Hirrolot
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal