diff --git a/LICENSE b/LICENSE
index 83b28de..cbaec1c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/layers/texture_layer_merger.cpp b/layers/texture_layer_merger.cpp
index 356fab1..00d40e2 100644
--- a/layers/texture_layer_merger.cpp
+++ b/layers/texture_layer_merger.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/layers/texture_layer_merger.h b/layers/texture_layer_merger.h
index 15ce295..7df69d6 100644
--- a/layers/texture_layer_merger.h
+++ b/layers/texture_layer_merger.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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 252ffac..5a82bfd 100644
--- a/register_types.cpp
+++ b/register_types.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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 edd002d..217bb8d 100644
--- a/register_types.h
+++ b/register_types.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_merger.cpp b/texture_merger.cpp
index e4557ba..c622be6 100644
--- a/texture_merger.cpp
+++ b/texture_merger.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_merger.h b/texture_merger.h
index 79fcb51..e54652d 100644
--- a/texture_merger.h
+++ b/texture_merger.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_packer.cpp b/texture_packer.cpp
index 218b758..ec6133a 100644
--- a/texture_packer.cpp
+++ b/texture_packer.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_packer.h b/texture_packer.h
index 4968d08..c616348 100644
--- a/texture_packer.h
+++ b/texture_packer.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_resource/editor_plugin_packer_image_resource.cpp b/texture_resource/editor_plugin_packer_image_resource.cpp
index 4b9ec9e..df59afb 100644
--- a/texture_resource/editor_plugin_packer_image_resource.cpp
+++ b/texture_resource/editor_plugin_packer_image_resource.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_resource/editor_plugin_packer_image_resource.h b/texture_resource/editor_plugin_packer_image_resource.h
index 6395e8f..adb95a2 100644
--- a/texture_resource/editor_plugin_packer_image_resource.h
+++ b/texture_resource/editor_plugin_packer_image_resource.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_resource/packer_image_resource.cpp b/texture_resource/packer_image_resource.cpp
index a8069b9..2c721b5 100644
--- a/texture_resource/packer_image_resource.cpp
+++ b/texture_resource/packer_image_resource.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_resource/packer_image_resource.h b/texture_resource/packer_image_resource.h
index b8c3a76..aa31e42 100644
--- a/texture_resource/packer_image_resource.h
+++ b/texture_resource/packer_image_resource.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_resource/packer_image_resource_importer.cpp b/texture_resource/packer_image_resource_importer.cpp
index a9498c4..6c942dc 100644
--- a/texture_resource/packer_image_resource_importer.cpp
+++ b/texture_resource/packer_image_resource_importer.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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/texture_resource/packer_image_resource_importer.h b/texture_resource/packer_image_resource_importer.h
index cfc7aef..80f54de 100644
--- a/texture_resource/packer_image_resource_importer.h
+++ b/texture_resource/packer_image_resource_importer.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 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