diff --git a/COPYRIGHT b/COPYRIGHT
index 8b560079..9a294f24 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,4 +1,4 @@
-Copyright 2013-2021 Thibaut Courouble and other contributors
+Copyright 2013-2023 Thibaut Courouble and other contributors
 
   This Source Code Form is subject to the terms of the Mozilla Public
   License, v. 2.0. If a copy of the MPL was not distributed with this
diff --git a/README.md b/README.md
index 72be65c4..5ccd1491 100644
--- a/README.md
+++ b/README.md
@@ -177,7 +177,7 @@ Made something cool? Feel free to open a PR to add a new row to this table! You
 
 ## Copyright / License
 
-Copyright 2013–2021 Thibaut Courouble and [other contributors](https://github.com/freeCodeCamp/devdocs/graphs/contributors)
+Copyright 2013–2023 Thibaut Courouble and [other contributors](https://github.com/freeCodeCamp/devdocs/graphs/contributors)
 
 This software is licensed under the terms of the Mozilla Public License v2.0. See the [COPYRIGHT](./COPYRIGHT) and [LICENSE](./LICENSE) files.
 
diff --git a/assets/javascripts/lib/license.coffee b/assets/javascripts/lib/license.coffee
index 56725552..c397b93b 100644
--- a/assets/javascripts/lib/license.coffee
+++ b/assets/javascripts/lib/license.coffee
@@ -1,5 +1,5 @@
 ###
- * Copyright 2013-2021 Thibaut Courouble and other contributors
+ * Copyright 2013-2023 Thibaut Courouble and other contributors
  *
  * This source code is licensed under the terms of the Mozilla
  * Public License, v. 2.0, a copy of which may be obtained at:
diff --git a/assets/javascripts/templates/pages/about_tmpl.coffee b/assets/javascripts/templates/pages/about_tmpl.coffee
index 74b036eb..682ee5b7 100644
--- a/assets/javascripts/templates/pages/about_tmpl.coffee
+++ b/assets/javascripts/templates/pages/about_tmpl.coffee
@@ -22,7 +22,7 @@ app.templates.aboutPage = -> """
 
   <h2 class="_block-heading" id="copyright">Copyright and License</h2>
   <p class="_note">
-    <strong>Copyright 2013&ndash;2021 Thibaut Courouble and <a href="https://github.com/freeCodeCamp/devdocs/graphs/contributors">other contributors</a></strong><br>
+    <strong>Copyright 2013&ndash;2023 Thibaut Courouble and <a href="https://github.com/freeCodeCamp/devdocs/graphs/contributors">other contributors</a></strong><br>
     This software is licensed under the terms of the Mozilla Public License v2.0.<br>
     You may obtain a copy of the source code at <a href="https://github.com/freeCodeCamp/devdocs">github.com/freeCodeCamp/devdocs</a>.<br>
     For more information, see the <a href="https://github.com/freeCodeCamp/devdocs/blob/main/COPYRIGHT">COPYRIGHT</a>
diff --git a/assets/stylesheets/application.css.scss b/assets/stylesheets/application.css.scss
index e7a725e7..a191f289 100644
--- a/assets/stylesheets/application.css.scss
+++ b/assets/stylesheets/application.css.scss
@@ -3,7 +3,7 @@
 //= depend_on sprites/docs.json
 
 /*!
- * Copyright 2013-2021 Thibaut Courouble and other contributors
+ * Copyright 2013-2023 Thibaut Courouble and other contributors
  *
  * This source code is licensed under the terms of the Mozilla
  * Public License, v. 2.0, a copy of which may be obtained at: