diff --git a/external/dist/webpack.js b/external/dist/webpack.js
index b5e82be82..64481a32b 100644
--- a/external/dist/webpack.js
+++ b/external/dist/webpack.js
@@ -1,4 +1,4 @@
-/* Copyright 2021 Mozilla Foundation
+/* Copyright 2022 Mozilla Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/license_header.js b/src/license_header.js
index 12d51bd70..cb0c40778 100644
--- a/src/license_header.js
+++ b/src/license_header.js
@@ -1,4 +1,4 @@
-/* Copyright 2021 Mozilla Foundation
+/* Copyright 2022 Mozilla Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/license_header_libre.js b/src/license_header_libre.js
index 92598ed5e..43b39b2d1 100644
--- a/src/license_header_libre.js
+++ b/src/license_header_libre.js
@@ -2,7 +2,7 @@
  * @licstart The following is the entire license notice for the
  * Javascript code in this page
  *
- * Copyright 2021 Mozilla Foundation
+ * Copyright 2022 Mozilla Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/pdf.worker.entry.js b/src/pdf.worker.entry.js
index ae0a35ae7..b7c48218c 100644
--- a/src/pdf.worker.entry.js
+++ b/src/pdf.worker.entry.js
@@ -1,4 +1,4 @@
-/* Copyright 2021 Mozilla Foundation
+/* Copyright 2022 Mozilla Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.