diff --git a/LICENSE b/LICENSE
index adb979d..2462ee8 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-ASN.1 JavaScript decoder Copyright (c) 2008-2020 Lapo Luchini <lapo@lapo.it>
+ASN.1 JavaScript decoder Copyright (c) 2008-2021 Lapo Luchini <lapo@lapo.it>
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted, provided that the above
diff --git a/asn1.js b/asn1.js
index 46a97c1..7fe310e 100644
--- a/asn1.js
+++ b/asn1.js
@@ -1,5 +1,5 @@
 // ASN.1 JavaScript decoder
-// Copyright (c) 2008-2020 Lapo Luchini <lapo@lapo.it>
+// Copyright (c) 2008-2021 Lapo Luchini <lapo@lapo.it>
 
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
diff --git a/base64.js b/base64.js
index 2a5827f..df26c5c 100644
--- a/base64.js
+++ b/base64.js
@@ -1,5 +1,5 @@
 // Base64 JavaScript decoder
-// Copyright (c) 2008-2020 Lapo Luchini <lapo@lapo.it>
+// Copyright (c) 2008-2021 Lapo Luchini <lapo@lapo.it>
 
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
diff --git a/dom.js b/dom.js
index 26c40b6..801b752 100644
--- a/dom.js
+++ b/dom.js
@@ -1,5 +1,5 @@
 // ASN.1 JavaScript decoder
-// Copyright (c) 2008-2020 Lapo Luchini <lapo@lapo.it>
+// Copyright (c) 2008-2021 Lapo Luchini <lapo@lapo.it>
 
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
diff --git a/hex.js b/hex.js
index 900fa7a..f48f9ee 100644
--- a/hex.js
+++ b/hex.js
@@ -1,5 +1,5 @@
 // Hex JavaScript decoder
-// Copyright (c) 2008-2020 Lapo Luchini <lapo@lapo.it>
+// Copyright (c) 2008-2021 Lapo Luchini <lapo@lapo.it>
 
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
diff --git a/index.html b/index.html
index 40530cb..17898a5 100644
--- a/index.html
+++ b/index.html
@@ -42,7 +42,7 @@
     <h3>Copyright</h3>
     <div class="ref"><p class="hidden">
       ASN.1 JavaScript decoder<br>
-      Copyright &copy; 2008-2020 Lapo Luchini &lt;lapo@lapo.it&gt;<br>
+      Copyright &copy; 2008-2021 Lapo Luchini &lt;lapo@lapo.it&gt;<br>
       <br>
       Permission to use, copy, modify, and/or distribute this software for any
       purpose with or without fee is hereby granted, provided that the above
@@ -56,7 +56,7 @@
       ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
       OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     </p></div>
-    <p>ASN.1 JavaScript decoder Copyright &copy; 2008-2020 <a href="http://lapo.it/">Lapo Luchini</a>; released as <a href="http://opensource.org/licenses/isc-license.txt">opensource</a> under the <a href="http://en.wikipedia.org/wiki/ISC_licence">ISC license</a>.</p>
+    <p>ASN.1 JavaScript decoder Copyright &copy; 2008-2021 <a href="http://lapo.it/">Lapo Luchini</a>; released as <a href="http://opensource.org/licenses/isc-license.txt">opensource</a> under the <a href="http://en.wikipedia.org/wiki/ISC_licence">ISC license</a>.</p>
   </div>
   <p><span class="tt">OBJECT&nbsp;IDENTIFIER</span> values are recognized using data taken from Peter Gutmann's <a href="http://www.cs.auckland.ac.nz/~pgut001/#standards">dumpasn1</a> program.</p>
   <h3>Links</h3>
diff --git a/int10.js b/int10.js
index e051763..0d68108 100644
--- a/int10.js
+++ b/int10.js
@@ -1,5 +1,5 @@
 // Big integer base-10 printing library
-// Copyright (c) 2008-2020 Lapo Luchini <lapo@lapo.it>
+// Copyright (c) 2008-2021 Lapo Luchini <lapo@lapo.it>
 
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above