diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 99071c4272..f604f7c004 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -181,6 +181,7 @@ GEM
     zeitwerk (2.6.12)
 
 PLATFORMS
+  aarch64-linux
   arm-linux
   arm64-darwin
   x86_64-darwin
diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index f5cd0336e7..3b1191e335 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -81,8 +81,8 @@ $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/pry-0.14.2/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rack-3.0.8/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rbi-0.1.6/lib")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/extensions/x86_64-darwin-15/#{Gem.extension_api_version}/rdiscount-2.2.7.2")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rdiscount-2.2.7.2/lib")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/extensions/x86_64-darwin-15/#{Gem.extension_api_version}/rdiscount-2.2.7.3")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rdiscount-2.2.7.3/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rexml-3.2.6/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/ronn-0.7.3/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-support-3.12.1/lib")