diff --git a/src/license_header.js b/src/license_header.js
index cb0c40778..22d9d8a17 100644
--- a/src/license_header.js
+++ b/src/license_header.js
@@ -1,4 +1,4 @@
-/* Copyright 2022 Mozilla Foundation
+/* Copyright 2023 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 50c5cdb2c..483239689 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 2022 Mozilla Foundation
+ * Copyright 2023 Mozilla Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.