diff --git a/lib/docs/filters/rdoc/container.rb b/lib/docs/filters/rdoc/container.rb
index aea2b0f5..4732b02a 100644
--- a/lib/docs/filters/rdoc/container.rb
+++ b/lib/docs/filters/rdoc/container.rb
@@ -13,8 +13,11 @@ module Docs
           meta = Nokogiri::XML::Node.new 'dl', doc.document
           meta['class'] = 'meta'
 
-          if parent = at_css('#parent-class-section')
-            meta << %(<dt>Parent:</dt><dd class="meta-parent">#{parent.at_css('.link').inner_html.strip}</dd>)
+          parent = at_css('#parent-class-section')
+          if parent && link = parent.at_css('.link')
+            meta << %(<dt>Parent:</dt><dd class="meta-parent">#{link.inner_html.strip}</dd>)
+          elsif parent && link = parent.at_css('a')
+            meta << %(<dt>Parent:</dt><dd class="meta-parent">#{link.to_html}</dd>)
           end
 
           if includes = at_css('#includes-section')
diff --git a/lib/docs/scrapers/rdoc/ruby.rb b/lib/docs/scrapers/rdoc/ruby.rb
index eef26f41..630cb81e 100644
--- a/lib/docs/scrapers/rdoc/ruby.rb
+++ b/lib/docs/scrapers/rdoc/ruby.rb
@@ -63,12 +63,16 @@ module Docs
       /\AXMP/]
 
     options[:attribution] = <<-HTML
-      Ruby Core &copy; 1993&ndash;2022 Yukihiro Matsumoto<br>
+      Ruby Core &copy; 1993&ndash;2024 Yukihiro Matsumoto<br>
       Licensed under the Ruby License.<br>
       Ruby Standard Library &copy; contributors<br>
       Licensed under their own licenses.
     HTML
 
+    version '3.4' do
+      self.release = '3.4.1'
+    end
+
     version '3.3' do
       self.release = '3.3.0'
     end