diff --git a/assets/javascripts/templates/pages/about_tmpl.coffee b/assets/javascripts/templates/pages/about_tmpl.coffee
index 6fdba573..0c1229e9 100644
--- a/assets/javascripts/templates/pages/about_tmpl.coffee
+++ b/assets/javascripts/templates/pages/about_tmpl.coffee
@@ -209,7 +209,7 @@ credits = [
     'https://raw.githubusercontent.com/crystal-lang/crystal/master/LICENSE'
   ], [
     'CSS<br>DOM<br>HTTP<br>HTML<br>JavaScript<br>SVG<br>XPath',
-    '2005-2021 MDN contributors',
+    '2005-2022 MDN contributors',
     'CC BY-SA',
     'https://creativecommons.org/licenses/by-sa/2.5/'
   ], [
diff --git a/lib/docs/scrapers/mdn/javascript.rb b/lib/docs/scrapers/mdn/javascript.rb
index e2b93aef..d8b9f969 100644
--- a/lib/docs/scrapers/mdn/javascript.rb
+++ b/lib/docs/scrapers/mdn/javascript.rb
@@ -3,7 +3,7 @@ module Docs
     prepend FixInternalUrlsBehavior
     prepend FixRedirectionsBehavior
 
-    # release = '2022-01-09'
+    # release = '2022-04-28'
     self.name = 'JavaScript'
     self.base_url = 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference'
 
diff --git a/lib/docs/scrapers/mdn/mdn.rb b/lib/docs/scrapers/mdn/mdn.rb
index 2b31668a..977079a8 100644
--- a/lib/docs/scrapers/mdn/mdn.rb
+++ b/lib/docs/scrapers/mdn/mdn.rb
@@ -13,7 +13,7 @@ module Docs
     }
 
     options[:attribution] = <<-HTML
-      &copy; 2005&ndash;2021 MDN contributors.<br>
+      &copy; 2005&ndash;2022 MDN contributors.<br>
       Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
     HTML