Copyright like it’s 2021.
diff --git a/.eslintrc.js b/.eslintrc.js
index fb4a40d..fca1ba7 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/.mocharc.js b/.mocharc.js
index 3df0187..f8ddd13 100644
--- a/.mocharc.js
+++ b/.mocharc.js
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/Makefile b/Makefile
index e00541e..3ecda0f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+# SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
 # SPDX-License-Identifier: Apache-2.0
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not
 # use this file except in compliance with the License. You may obtain a copy of
diff --git a/NOTICE b/NOTICE
index ae82a60..4c1e0c5 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 Apache Annotator
-Copyright 2016-2020 The Apache Software Foundation
+Copyright 2016-2021 The Apache Software Foundation
 
 This product includes software developed at The Apache Software
 Foundation (http://www.apache.org/).
diff --git a/babel-register.js b/babel-register.js
index 6b3028e..428370b 100644
--- a/babel-register.js
+++ b/babel-register.js
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/babel.config.js b/babel.config.js
index 0550e6d..9bd9a01 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/husky.config.js b/husky.config.js
index d28abd1..faf1f19 100644
--- a/husky.config.js
+++ b/husky.config.js
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/nyc.config.js b/nyc.config.js
index 04471cd..f9023ea 100644
--- a/nyc.config.js
+++ b/nyc.config.js
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/apache-annotator/src/dom.ts b/packages/apache-annotator/src/dom.ts
index 55bedea..d960190 100644
--- a/packages/apache-annotator/src/dom.ts
+++ b/packages/apache-annotator/src/dom.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/apache-annotator/src/selector.ts b/packages/apache-annotator/src/selector.ts
index 2bae525..3d9f20e 100644
--- a/packages/apache-annotator/src/selector.ts
+++ b/packages/apache-annotator/src/selector.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/css.ts b/packages/dom/src/css.ts
index 9a1bdec..e1c5088 100644
--- a/packages/dom/src/css.ts
+++ b/packages/dom/src/css.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/highlight-text.ts b/packages/dom/src/highlight-text.ts
index aebe2d9..db91e79 100644
--- a/packages/dom/src/highlight-text.ts
+++ b/packages/dom/src/highlight-text.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/index.ts b/packages/dom/src/index.ts
index 33a4cb8..47f8b6e 100644
--- a/packages/dom/src/index.ts
+++ b/packages/dom/src/index.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/normalize-range.ts b/packages/dom/src/normalize-range.ts
index 1094540..cd9df97 100644
--- a/packages/dom/src/normalize-range.ts
+++ b/packages/dom/src/normalize-range.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/owner-document.ts b/packages/dom/src/owner-document.ts
index 1991c94..1b48a10 100644
--- a/packages/dom/src/owner-document.ts
+++ b/packages/dom/src/owner-document.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/range/cartesian.ts b/packages/dom/src/range/cartesian.ts
index df6af23..74ab815 100644
--- a/packages/dom/src/range/cartesian.ts
+++ b/packages/dom/src/range/cartesian.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/range/index.ts b/packages/dom/src/range/index.ts
index e3e3f1e..9a945ab 100644
--- a/packages/dom/src/range/index.ts
+++ b/packages/dom/src/range/index.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/range/match.ts b/packages/dom/src/range/match.ts
index 83f33d9..8f68150 100644
--- a/packages/dom/src/range/match.ts
+++ b/packages/dom/src/range/match.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/text-node-chunker.ts b/packages/dom/src/text-node-chunker.ts
index fa3de07..4d128cb 100644
--- a/packages/dom/src/text-node-chunker.ts
+++ b/packages/dom/src/text-node-chunker.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/text-position/describe.ts b/packages/dom/src/text-position/describe.ts
index 3ad3bec..9f3869b 100644
--- a/packages/dom/src/text-position/describe.ts
+++ b/packages/dom/src/text-position/describe.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/text-position/index.ts b/packages/dom/src/text-position/index.ts
index 099ee87..4a00da4 100644
--- a/packages/dom/src/text-position/index.ts
+++ b/packages/dom/src/text-position/index.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/text-position/match.ts b/packages/dom/src/text-position/match.ts
index b171678..892feee 100644
--- a/packages/dom/src/text-position/match.ts
+++ b/packages/dom/src/text-position/match.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/text-quote/describe.ts b/packages/dom/src/text-quote/describe.ts
index 987b7fa..5552ce7 100644
--- a/packages/dom/src/text-quote/describe.ts
+++ b/packages/dom/src/text-quote/describe.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/text-quote/index.ts b/packages/dom/src/text-quote/index.ts
index 099ee87..4a00da4 100644
--- a/packages/dom/src/text-quote/index.ts
+++ b/packages/dom/src/text-quote/index.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/text-quote/match.ts b/packages/dom/src/text-quote/match.ts
index 9692106..3ef5a01 100644
--- a/packages/dom/src/text-quote/match.ts
+++ b/packages/dom/src/text-quote/match.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/src/to-range.ts b/packages/dom/src/to-range.ts
index a2b92da..a03e836 100644
--- a/packages/dom/src/to-range.ts
+++ b/packages/dom/src/to-range.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/css/describe.test.ts b/packages/dom/test/css/describe.test.ts
index ab535bb..882b984 100644
--- a/packages/dom/test/css/describe.test.ts
+++ b/packages/dom/test/css/describe.test.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/css/match-cases.ts b/packages/dom/test/css/match-cases.ts
index becb121..88d7a84 100644
--- a/packages/dom/test/css/match-cases.ts
+++ b/packages/dom/test/css/match-cases.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/css/match.test.ts b/packages/dom/test/css/match.test.ts
index 3e379ba..5f38bf5 100644
--- a/packages/dom/test/css/match.test.ts
+++ b/packages/dom/test/css/match.test.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/highlight-text/highlight-text.test.ts b/packages/dom/test/highlight-text/highlight-text.test.ts
index df86aa3..8591b81 100644
--- a/packages/dom/test/highlight-text/highlight-text.test.ts
+++ b/packages/dom/test/highlight-text/highlight-text.test.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/range/cartesian.test.ts b/packages/dom/test/range/cartesian.test.ts
index 5e7958d..f1c2d6a 100644
--- a/packages/dom/test/range/cartesian.test.ts
+++ b/packages/dom/test/range/cartesian.test.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/text-position/describe.test.ts b/packages/dom/test/text-position/describe.test.ts
index a8ecaf0..373e153 100644
--- a/packages/dom/test/text-position/describe.test.ts
+++ b/packages/dom/test/text-position/describe.test.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/text-position/match-cases.ts b/packages/dom/test/text-position/match-cases.ts
index 719df0a..7514cdd 100644
--- a/packages/dom/test/text-position/match-cases.ts
+++ b/packages/dom/test/text-position/match-cases.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/text-position/match.test.ts b/packages/dom/test/text-position/match.test.ts
index f0251d7..43074ce 100644
--- a/packages/dom/test/text-position/match.test.ts
+++ b/packages/dom/test/text-position/match.test.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/text-quote/describe-cases.ts b/packages/dom/test/text-quote/describe-cases.ts
index 9026836..8f3fd60 100644
--- a/packages/dom/test/text-quote/describe-cases.ts
+++ b/packages/dom/test/text-quote/describe-cases.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/text-quote/describe.test.ts b/packages/dom/test/text-quote/describe.test.ts
index b5439ee..a96a430 100644
--- a/packages/dom/test/text-quote/describe.test.ts
+++ b/packages/dom/test/text-quote/describe.test.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/text-quote/match-cases.ts b/packages/dom/test/text-quote/match-cases.ts
index 7cbfa1a..3a8f97c 100644
--- a/packages/dom/test/text-quote/match-cases.ts
+++ b/packages/dom/test/text-quote/match-cases.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/text-quote/match.test.ts b/packages/dom/test/text-quote/match.test.ts
index aef6261..a1faedb 100644
--- a/packages/dom/test/text-quote/match.test.ts
+++ b/packages/dom/test/text-quote/match.test.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/dom/test/utils.ts b/packages/dom/test/utils.ts
index ae7dd9c..10f8bb9 100644
--- a/packages/dom/test/utils.ts
+++ b/packages/dom/test/utils.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/index.ts b/packages/selector/src/index.ts
index 2976347..ffc9dc9 100644
--- a/packages/selector/src/index.ts
+++ b/packages/selector/src/index.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/text/chunker.ts b/packages/selector/src/text/chunker.ts
index 0238f13..c43e8c0 100644
--- a/packages/selector/src/text/chunker.ts
+++ b/packages/selector/src/text/chunker.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/text/code-point-seeker.ts b/packages/selector/src/text/code-point-seeker.ts
index 96ce7ff..28c4d47 100644
--- a/packages/selector/src/text/code-point-seeker.ts
+++ b/packages/selector/src/text/code-point-seeker.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/text/describe-text-position.ts b/packages/selector/src/text/describe-text-position.ts
index cae5d83..ce7d7d3 100644
--- a/packages/selector/src/text/describe-text-position.ts
+++ b/packages/selector/src/text/describe-text-position.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/text/describe-text-quote.ts b/packages/selector/src/text/describe-text-quote.ts
index bb9e744..28c567f 100644
--- a/packages/selector/src/text/describe-text-quote.ts
+++ b/packages/selector/src/text/describe-text-quote.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/text/index.ts b/packages/selector/src/text/index.ts
index 0287f48..8154691 100644
--- a/packages/selector/src/text/index.ts
+++ b/packages/selector/src/text/index.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/text/match-text-position.ts b/packages/selector/src/text/match-text-position.ts
index 799b0a7..cb7a478 100644
--- a/packages/selector/src/text/match-text-position.ts
+++ b/packages/selector/src/text/match-text-position.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/text/match-text-quote.ts b/packages/selector/src/text/match-text-quote.ts
index e51cf03..3637a2c 100644
--- a/packages/selector/src/text/match-text-quote.ts
+++ b/packages/selector/src/text/match-text-quote.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/text/seeker.ts b/packages/selector/src/text/seeker.ts
index 56ddd97..23a62d1 100644
--- a/packages/selector/src/text/seeker.ts
+++ b/packages/selector/src/text/seeker.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/packages/selector/src/types.ts b/packages/selector/src/types.ts
index 5b3a755..f4139c1 100644
--- a/packages/selector/src/types.ts
+++ b/packages/selector/src/types.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/test/data-model.test.ts b/test/data-model.test.ts
index 92a566e..783df9f 100644
--- a/test/data-model.test.ts
+++ b/test/data-model.test.ts
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/web/index.html b/web/index.html
index 8ac55cf..362872e 100644
--- a/web/index.html
+++ b/web/index.html
@@ -1,5 +1,5 @@
 <!--
-SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
 SPDX-License-Identifier: Apache-2.0
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
diff --git a/web/index.js b/web/index.js
index 009a43d..982f3f7 100644
--- a/web/index.js
+++ b/web/index.js
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/web/style.css b/web/style.css
index 3341335..cffa1ca 100644
--- a/web/style.css
+++ b/web/style.css
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/web/webpack.config.js b/web/webpack.config.js
index 5173882..c457baa 100644
--- a/web/webpack.config.js
+++ b/web/webpack.config.js
@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2016-2020 The Apache Software Foundation
+ * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
  * SPDX-License-Identifier: Apache-2.0
  * @license
  * Licensed to the Apache Software Foundation (ASF) under one