diff --git a/.gitignore b/.gitignore
index 2e8529ab3..12f84871b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,6 +38,7 @@
 
 # Unignore vendored gems
 !**/vendor/bundle/ruby/*/gems/*/lib
+!**/vendor/bundle/ruby/*/gems/addressable-*/data
 !**/vendor/bundle/ruby/*/gems/rubocop-performance-*/config
 !**/vendor/bundle/ruby/*/gems/rubocop-rails-*/config
 !**/vendor/bundle/ruby/*/gems/rubocop-rspec-*/config
diff --git a/Library/Homebrew/Gemfile b/Library/Homebrew/Gemfile
index 836101373..12e3d0926 100644
--- a/Library/Homebrew/Gemfile
+++ b/Library/Homebrew/Gemfile
@@ -33,6 +33,7 @@ end
 
 # vendored gems
 gem "activesupport", "< 7" # 7 requires Ruby 2.7
+gem "addressable"
 gem "concurrent-ruby"
 gem "did_you_mean" # remove when HOMEBREW_REQUIRED_RUBY_VERSION >= 2.7
 gem "mechanize"
diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index cb0cab59c..e05cd2e1c 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -204,6 +204,7 @@ PLATFORMS
 
 DEPENDENCIES
   activesupport (< 7)
+  addressable
   bootsnap
   byebug
   concurrent-ruby
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/addressable-2.8.0/data/unicode.data b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/addressable-2.8.0/data/unicode.data
new file mode 100644
index 000000000..cdfc22418
Binary files /dev/null and b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/addressable-2.8.0/data/unicode.data differ