diff --git a/LICENSE.md b/LICENSE.md
index 4f6b7ac..7518bcb 100755
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,4 +1,4 @@
-Copyright (c) 2017-2020 see CONTRIBUTORS.txt
+Copyright (c) 2017-2021 see CONTRIBUTORS.txt
 
 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/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt b/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt
index fc06f1c..e24f4af 100755
--- a/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt
+++ b/src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt
@@ -1,7 +1,7 @@
 /*
  * Terrarum Sans Bitmap
  * 
- * Copyright (c) 2017-2020 Minjae Song (Torvald)
+ * Copyright (c) 2017-2021 Minjae Song (Torvald)
  * 
  * 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/src/net/torvald/terrarumsansbitmap/gdx/PixmapRegionPack.kt b/src/net/torvald/terrarumsansbitmap/gdx/PixmapRegionPack.kt
index c83fdb3..efec20a 100755
--- a/src/net/torvald/terrarumsansbitmap/gdx/PixmapRegionPack.kt
+++ b/src/net/torvald/terrarumsansbitmap/gdx/PixmapRegionPack.kt
@@ -1,7 +1,7 @@
 /*
  * Terrarum Sans Bitmap
  *
- * Copyright (c) 2018 Minjae Song (Torvald)
+ * Copyright (c) 2017-2021 Minjae Song (Torvald)
  *
  * 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/src/net/torvald/terrarumsansbitmap/gdx/TextureRegionPack.kt b/src/net/torvald/terrarumsansbitmap/gdx/TextureRegionPack.kt
index 52a3e5a..b1a0ea6 100755
--- a/src/net/torvald/terrarumsansbitmap/gdx/TextureRegionPack.kt
+++ b/src/net/torvald/terrarumsansbitmap/gdx/TextureRegionPack.kt
@@ -1,7 +1,7 @@
 /*
  * Terrarum Sans Bitmap
  * 
- * Copyright (c) 2017 Minjae Song (Torvald)
+ * Copyright (c) 2017-2021 Minjae Song (Torvald)
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal