diff --git a/LICENSE b/LICENSE
index 190891a..dbb6623 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2020 Péter Magyar
+Copyright (c) 2020-2022 Péter Magyar
 
 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/biome_terrarin_generator.cpp b/biome_terrarin_generator.cpp
index 422624f..77a6712 100644
--- a/biome_terrarin_generator.cpp
+++ b/biome_terrarin_generator.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2020 Péter Magyar
+Copyright (c) 2020-2022 Péter Magyar
 
 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/biome_terrarin_generator.h b/biome_terrarin_generator.h
index bd01468..2806961 100644
--- a/biome_terrarin_generator.h
+++ b/biome_terrarin_generator.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2020 Péter Magyar
+Copyright (c) 2020-2022 Péter Magyar
 
 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/register_types.cpp b/register_types.cpp
index 8e7c037..88473d8 100644
--- a/register_types.cpp
+++ b/register_types.cpp
@@ -2,7 +2,7 @@
 
 /*
 
-Copyright (c) 2020 Péter Magyar
+Copyright (c) 2020-2022 Péter Magyar
 
 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/register_types.h b/register_types.h
index ca9f82a..35f2c41 100644
--- a/register_types.h
+++ b/register_types.h
@@ -3,7 +3,7 @@
 
 /*
 
-Copyright (c) 2020 Péter Magyar
+Copyright (c) 2020-2022 Péter Magyar
 Copyright(c) 2017-2020 Mattias Edlund
 
 Permission is hereby granted, free of charge, to any person obtaining a copy