diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index e307d39754..f2ac5f9d4b 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -209,10 +209,9 @@ GEM
       parser (>= 3.1.0)
     uri_template (0.7.0)
     warning (1.3.0)
-    webrick (1.7.0)
+    webrick (1.8.1)
     webrobots (0.1.2)
-    yard (0.9.28)
-      webrick (~> 1.7.0)
+    yard (0.9.26)
     yard-sorbet (0.6.1)
       sorbet-runtime (>= 0.5)
       yard (>= 0.9)
diff --git a/Library/Homebrew/sorbet/rbi/gems/webrick@1.7.0.rbi b/Library/Homebrew/sorbet/rbi/gems/webrick@1.8.1.rbi
similarity index 97%
rename from Library/Homebrew/sorbet/rbi/gems/webrick@1.7.0.rbi
rename to Library/Homebrew/sorbet/rbi/gems/webrick@1.8.1.rbi
index 63755aa3aa..8bff972a30 100644
--- a/Library/Homebrew/sorbet/rbi/gems/webrick@1.7.0.rbi
+++ b/Library/Homebrew/sorbet/rbi/gems/webrick@1.8.1.rbi
@@ -265,6 +265,7 @@ class WEBrick::HTTPRequest
   private
 
   def _read_data(io, method, *arg); end
+  def parse_host_request_line(host); end
   def parse_query; end
   def parse_uri(str, scheme = T.unsafe(nil)); end
   def read_body(socket, block); end
@@ -284,7 +285,6 @@ class WEBrick::HTTPResponse
 
   def [](field); end
   def []=(field, value); end
-  def _rack_setup_header; end
   def body; end
   def body=(_arg0); end
   def chunked=(val); end
@@ -319,9 +319,13 @@ class WEBrick::HTTPResponse
   def sent_size; end
   def set_error(ex, backtrace = T.unsafe(nil)); end
   def set_redirect(status, url); end
+  def setup_header; end
   def status; end
   def status=(status); end
   def status_line; end
+  def upgrade; end
+  def upgrade!(protocol); end
+  def upgrade=(_arg0); end
 
   private
 
@@ -450,6 +454,15 @@ class WEBrick::HTTPServlet::FileHandler < ::WEBrick::HTTPServlet::AbstractServle
   end
 end
 
+class WEBrick::HTTPServlet::ProcHandler < ::WEBrick::HTTPServlet::AbstractServlet
+  def initialize(proc); end
+
+  def do_GET(request, response); end
+  def do_POST(request, response); end
+  def do_PUT(request, response); end
+  def get_instance(server, *options); end
+end
+
 module WEBrick::HTTPStatus
   private
 
diff --git a/Library/Homebrew/sorbet/rbi/gems/yard@0.9.28.rbi b/Library/Homebrew/sorbet/rbi/gems/yard@0.9.26.rbi
similarity index 99%
rename from Library/Homebrew/sorbet/rbi/gems/yard@0.9.28.rbi
rename to Library/Homebrew/sorbet/rbi/gems/yard@0.9.26.rbi
index 0a9df757b5..6bb3345a04 100644
--- a/Library/Homebrew/sorbet/rbi/gems/yard@0.9.28.rbi
+++ b/Library/Homebrew/sorbet/rbi/gems/yard@0.9.26.rbi
@@ -149,13 +149,16 @@ class Rack::Request
   def xhr?; end
 
   class << self
+    def forwarded_priority; end
+    def forwarded_priority=(_arg0); end
     def ip_filter; end
     def ip_filter=(_arg0); end
+    def x_forwarded_proto_priority; end
+    def x_forwarded_proto_priority=(_arg0); end
   end
 end
 
 Rack::Request::ALLOWED_SCHEMES = T.let(T.unsafe(nil), Array)
-Rack::Request::SCHEME_WHITELIST = T.let(T.unsafe(nil), Array)
 
 class String
   include ::Comparable
@@ -202,8 +205,6 @@ module YARD
     def ruby18?; end
     def ruby19?; end
     def ruby2?; end
-    def ruby31?; end
-    def ruby3?; end
     def windows?; end
   end
 end
@@ -1419,12 +1420,7 @@ class YARD::Handlers::Ruby::MixinHandler < ::YARD::Handlers::Ruby::Base
   def recipient(mixin); end
 end
 
-class YARD::Handlers::Ruby::ModuleFunctionHandler < ::YARD::Handlers::Ruby::Base
-  include ::YARD::Handlers::Ruby::DecoratorHandlerMethods
-
-  def make_module_function(instance_method, namespace); end
-end
-
+class YARD::Handlers::Ruby::ModuleFunctionHandler < ::YARD::Handlers::Ruby::Base; end
 class YARD::Handlers::Ruby::ModuleHandler < ::YARD::Handlers::Ruby::Base; end
 
 class YARD::Handlers::Ruby::PrivateClassMethodHandler < ::YARD::Handlers::Ruby::Base
@@ -2409,7 +2405,6 @@ class YARD::Parser::Ruby::ModuleNode < ::YARD::Parser::Ruby::KeywordNode
 end
 
 class YARD::Parser::Ruby::ParameterNode < ::YARD::Parser::Ruby::AstNode
-  def args_forward; end
   def block_param; end
   def double_splat_param; end
   def named_params; end
@@ -3335,7 +3330,6 @@ class YARD::Tags::Directive
 
   protected
 
-  def inside_directive?; end
   def parser; end
 end
 
diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index 01fa40ae12..c57b569f89 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -69,7 +69,7 @@ $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/racc-1.6.2/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/nokogiri-1.13.10-x86_64-darwin/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rubyntlm-0.6.3/lib")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/webrick-1.7.0/lib")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/webrick-1.8.1/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/webrobots-0.1.2/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/mechanize-2.8.5/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/method_source-1.0.0/lib")
@@ -119,7 +119,7 @@ $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/sorbet-static-and-runtime-0.5.10461/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/thor-1.2.1/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/spoom-1.1.11/lib")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/yard-0.9.28/lib")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/yard-0.9.26/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/yard-sorbet-0.6.1/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/tapioca-0.7.3/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/warning-1.3.0/lib")
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick.rb
similarity index 100%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick.rb
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/accesslog.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/accesslog.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/accesslog.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/accesslog.rb
index e4849637f3..fccfd65334 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/accesslog.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/accesslog.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #--
 # accesslog.rb -- Access log handling utilities
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/cgi.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/cgi.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/cgi.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/cgi.rb
index bb0ae2fc84..f22480b86b 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/cgi.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/cgi.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # cgi.rb -- Yet another CGI library
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/compat.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/compat.rb
similarity index 96%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/compat.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/compat.rb
index c497a1933c..842da1ebbc 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/compat.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/compat.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # compat.rb -- cross platform compatibility
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/config.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/config.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/config.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/config.rb
index 9f2ab44f49..d67375c816 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/config.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/config.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # config.rb -- Default configurations.
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/cookie.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/cookie.rb
similarity index 98%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/cookie.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/cookie.rb
index 5fd3bfb228..7b187822a2 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/cookie.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/cookie.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # cookie.rb -- Cookie class
 #
@@ -92,7 +92,7 @@ module WEBrick
     # The cookie string suitable for use in an HTTP header
 
     def to_s
-      ret = ""
+      ret = +""
       ret << @name << "=" << @value
       ret << "; " << "Version=" << @version.to_s if @version > 0
       ret << "; " << "Domain="  << @domain  if @domain
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/htmlutils.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/htmlutils.rb
similarity index 95%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/htmlutils.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/htmlutils.rb
index ed9f4ac0d3..7ff0bde27f 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/htmlutils.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/htmlutils.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #--
 # htmlutils.rb -- HTMLUtils Module
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth.rb
index f8bf09a6f1..4f5321c882 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpauth.rb -- HTTP access authentication
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/authenticator.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/authenticator.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/authenticator.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/authenticator.rb
index 8f0eaa3aca..a6ee28de1a 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/authenticator.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/authenticator.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #--
 # httpauth/authenticator.rb -- Authenticator mix-in module.
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/basicauth.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/basicauth.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/basicauth.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/basicauth.rb
index 7d0a9cfc8f..cc8137aff7 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/basicauth.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/basicauth.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpauth/basicauth.rb -- HTTP basic access authentication
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/digestauth.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/digestauth.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/digestauth.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/digestauth.rb
index 3cf12899d2..25ce8ba080 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/digestauth.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/digestauth.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpauth/digestauth.rb -- HTTP digest access authentication
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/htdigest.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/htdigest.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/htdigest.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/htdigest.rb
index 93b18e2c75..c7e853b775 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/htdigest.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/htdigest.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpauth/htdigest.rb -- Apache compatible htdigest file
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/htgroup.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/htgroup.rb
similarity index 98%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/htgroup.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/htgroup.rb
index e06c441b18..108c9d0ba6 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/htgroup.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/htgroup.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpauth/htgroup.rb -- Apache compatible htgroup file
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/htpasswd.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/htpasswd.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/htpasswd.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/htpasswd.rb
index abca30532e..9a48e57d16 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/htpasswd.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/htpasswd.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpauth/htpasswd -- Apache compatible htpasswd file
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/userdb.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/userdb.rb
similarity index 97%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/userdb.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/userdb.rb
index 7a17715cdf..0d0f72b1f0 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpauth/userdb.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpauth/userdb.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #--
 # httpauth/userdb.rb -- UserDB mix-in module.
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpproxy.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpproxy.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpproxy.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpproxy.rb
index 7607c3df88..196682ec2d 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpproxy.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpproxy.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpproxy.rb -- HTTPProxy Class
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httprequest.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httprequest.rb
similarity index 98%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httprequest.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httprequest.rb
index d34eac7ecf..680ac65af2 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httprequest.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httprequest.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httprequest.rb -- HTTPRequest Class
 #
@@ -171,7 +171,7 @@ module WEBrick
       @accept_charset = []
       @accept_encoding = []
       @accept_language = []
-      @body = ""
+      @body = +""
 
       @addr = @peeraddr = nil
       @attributes = {}
@@ -491,8 +491,7 @@ module WEBrick
       if @forwarded_host
         host, port = @forwarded_host, @forwarded_port
       elsif self["host"]
-        pattern = /\A(#{URI::REGEXP::PATTERN::HOST})(?::(\d+))?\z/n
-        host, port = *self['host'].scan(pattern)[0]
+        host, port = parse_host_request_line(self["host"])
       elsif @addr.size > 0
         host, port = @addr[2], @addr[1]
       else
@@ -504,6 +503,11 @@ module WEBrick
       return URI::parse(uri.to_s)
     end
 
+    def parse_host_request_line(host)
+      pattern = /\A(#{URI::REGEXP::PATTERN::HOST})(?::(\d+))?\z/no
+      host.scan(pattern)[0]
+    end
+
     def read_body(socket, block)
       return unless socket
       if tc = self['transfer-encoding']
@@ -522,7 +526,7 @@ module WEBrick
         if @remaining_size > 0 && @socket.eof?
           raise HTTPStatus::BadRequest, "invalid body size."
         end
-      elsif BODY_CONTAINABLE_METHODS.member?(@request_method) && !@socket.eof
+      elsif BODY_CONTAINABLE_METHODS.member?(@request_method)
         raise HTTPStatus::LengthRequired
       end
       return @body
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpresponse.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpresponse.rb
similarity index 92%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpresponse.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpresponse.rb
index ba4494ab74..dde0261da0 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpresponse.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpresponse.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpresponse.rb -- HTTPResponse Class
 #
@@ -105,6 +105,11 @@ module WEBrick
 
     attr_reader :sent_size
 
+    ##
+    # Set the response body proc as an streaming/upgrade response.
+
+    attr_accessor :upgrade
+
     ##
     # Creates a new HTTP response object.  WEBrick::Config::HTTP is the
     # default configuration.
@@ -117,7 +122,7 @@ module WEBrick
       @status = HTTPStatus::RC_OK
       @reason_phrase = nil
       @http_version = HTTPVersion::convert(@config[:HTTPVersion])
-      @body = ''
+      @body = +""
       @keep_alive = true
       @cookies = []
       @request_method = nil
@@ -217,6 +222,16 @@ module WEBrick
       @keep_alive
     end
 
+    ##
+    # Sets the response to be a streaming/upgrade response.
+    # This will disable keep-alive and chunked transfer encoding.
+
+    def upgrade!(protocol)
+      @upgrade = protocol
+      @keep_alive = false
+      @chunked = false
+    end
+
     ##
     # Sends the response on +socket+
 
@@ -242,6 +257,14 @@ module WEBrick
       @header['server'] ||= @config[:ServerSoftware]
       @header['date']   ||= Time.now.httpdate
 
+      if @upgrade
+        @header['connection'] = 'upgrade'
+        @header['upgrade'] = @upgrade
+        @keep_alive = false
+
+        return
+      end
+
       # HTTP/0.9 features
       if @request_http_version < "1.0"
         @http_version = HTTPVersion.new("0.9")
@@ -268,11 +291,10 @@ module WEBrick
       elsif %r{^multipart/byteranges} =~ @header['content-type']
         @header.delete('content-length')
       elsif @header['content-length'].nil?
-        if @body.respond_to? :readpartial
-        elsif @body.respond_to? :call
-          make_body_tempfile
+        if @body.respond_to?(:bytesize)
+          @header['content-length'] = @body.bytesize.to_s
         else
-          @header['content-length'] = (@body ? @body.bytesize : 0).to_s
+          @header['connection'] = 'close'
         end
       end
 
@@ -332,7 +354,7 @@ module WEBrick
 
     def send_header(socket) # :nodoc:
       if @http_version.major > 0
-        data = status_line()
+        data = status_line().dup
         @header.each{|key, value|
           tmp = key.gsub(/\bwww|^te$|\b\w/){ $&.upcase }
           data << "#{tmp}: #{check_header(value)}" << CRLF
@@ -419,7 +441,7 @@ module WEBrick
     # :stopdoc:
 
     def error_body(backtrace, ex, host, port)
-      @body = ''
+      @body = +""
       @body << <<-_end_of_html_
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
 <HTML>
@@ -453,11 +475,11 @@ module WEBrick
         if @request_method == "HEAD"
           # do nothing
         elsif chunked?
-          buf  = ''
+          buf = +''
           begin
             @body.readpartial(@buffer_size, buf)
             size = buf.bytesize
-            data = "#{size.to_s(16)}#{CRLF}#{buf}#{CRLF}"
+            data = +"#{size.to_s(16)}#{CRLF}#{buf}#{CRLF}"
             socket.write(data)
             data.clear
             @sent_size += size
@@ -517,14 +539,16 @@ module WEBrick
         @body.call(ChunkedWrapper.new(socket, self))
         socket.write("0#{CRLF}#{CRLF}")
       else
-        size = @header['content-length'].to_i
         if @bodytempfile
           @bodytempfile.rewind
           IO.copy_stream(@bodytempfile, socket)
         else
           @body.call(socket)
         end
-        @sent_size = size
+
+        if content_length = @header['content-length']
+          @sent_size = content_length.to_i
+        end
       end
     end
 
@@ -539,7 +563,7 @@ module WEBrick
         socket = @socket
         @resp.instance_eval {
           size = buf.bytesize
-          data = "#{size.to_s(16)}#{CRLF}#{buf}#{CRLF}"
+          data = +"#{size.to_s(16)}#{CRLF}#{buf}#{CRLF}"
           socket.write(data)
           data.clear
           @sent_size += size
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/https.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/https.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/https.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/https.rb
index b0a49bc40b..7f00b3068d 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/https.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/https.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # https.rb -- SSL/TLS enhancement for HTTPServer
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpserver.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpserver.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpserver.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpserver.rb
index e85d059319..0d261bf00c 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpserver.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpserver.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpserver.rb -- HTTPServer Class
 #
@@ -285,7 +285,7 @@ module WEBrick
       end
 
       def normalize(dir)
-        ret = dir ? dir.dup : ""
+        ret = dir ? dir.dup : +""
         ret.sub!(%r|/+\z|, "")
         ret
       end
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet.rb
similarity index 95%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet.rb
index da49a1405b..4cb1822cd3 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpservlet.rb -- HTTPServlet Utility File
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/abstract.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/abstract.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/abstract.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/abstract.rb
index bccb091861..6fae4de919 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/abstract.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/abstract.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httpservlet.rb -- HTTPServlet Module
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/cgi_runner.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/cgi_runner.rb
similarity index 95%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/cgi_runner.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/cgi_runner.rb
index 0398c16749..b0948ae39b 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/cgi_runner.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/cgi_runner.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # cgi_runner.rb -- CGI launcher.
 #
@@ -10,7 +10,7 @@
 # $IPR: cgi_runner.rb,v 1.9 2002/09/25 11:33:15 gotoyuzo Exp $
 
 def sysread(io, size)
-  buf = ""
+  buf = +""
   while size > 0
     tmp = io.sysread(size)
     buf << tmp
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/cgihandler.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/cgihandler.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/cgihandler.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/cgihandler.rb
index 4457770b7a..450aa3806a 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/cgihandler.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/cgihandler.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # cgihandler.rb -- CGIHandler Class
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/erbhandler.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/erbhandler.rb
similarity index 98%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/erbhandler.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/erbhandler.rb
index cd09e5f216..3b232f7f5b 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/erbhandler.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/erbhandler.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # erbhandler.rb -- ERBHandler Class
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/filehandler.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/filehandler.rb
similarity index 98%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/filehandler.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/filehandler.rb
index 010df0e918..7ab88bca13 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/filehandler.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/filehandler.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # filehandler.rb -- FileHandler Module
 #
@@ -481,9 +481,9 @@ module WEBrick
         elsif !namewidth or (namewidth = namewidth.to_i) < 2
           namewidth = 25
         end
-        query = query.inject('') {|s, (k, v)| s << '&' << HTMLUtils::escape("#{k}=#{v}")}
+        query = query.inject('') {|s, (k, v)| s << '&' << HTMLUtils::escape("#{k}=#{v}")}.dup
 
-        type = "text/html"
+        type = +"text/html"
         case enc = Encoding.find('filesystem')
         when Encoding::US_ASCII, Encoding::ASCII_8BIT
         else
@@ -492,7 +492,7 @@ module WEBrick
         res['content-type'] = type
 
         title = "Index of #{HTMLUtils::escape(req.path)}"
-        res.body = <<-_end_of_html_
+        res.body = +<<-_end_of_html_
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
 <HTML>
   <HEAD>
@@ -528,7 +528,7 @@ module WEBrick
           else
             dname = name
           end
-          s =  "<TR><TD class=\"name\"><A HREF=\"#{HTTPUtils::escape(name)}#{query if name.end_with?('/')}\">#{HTMLUtils::escape(dname)}</A></TD>"
+          s =  +"<TR><TD class=\"name\"><A HREF=\"#{HTTPUtils::escape(name)}#{query if name.end_with?('/')}\">#{HTMLUtils::escape(dname)}</A></TD>"
           s << "<TD class=\"mtime\">" << (time ? time.strftime("%Y/%m/%d %H:%M") : "") << "</TD>"
           s << "<TD class=\"size\">" << (size >= 0 ? size.to_s : "-") << "</TD></TR>\n"
           res.body << s
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/prochandler.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/prochandler.rb
similarity index 94%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/prochandler.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/prochandler.rb
index 599ffc4340..92e4f80d06 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpservlet/prochandler.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpservlet/prochandler.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # prochandler.rb -- ProcHandler Class
 #
@@ -40,6 +40,7 @@ module WEBrick
       end
 
       alias do_POST do_GET
+      alias do_PUT  do_GET
       # :startdoc:
     end
 
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpstatus.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpstatus.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpstatus.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpstatus.rb
index c811f21964..c21c1d4679 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpstatus.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpstatus.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #--
 # httpstatus.rb -- HTTPStatus Class
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httputils.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httputils.rb
similarity index 96%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httputils.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httputils.rb
index f1b9ddf9f0..48aa1371b2 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httputils.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httputils.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # httputils.rb -- HTTPUtils Module
 #
@@ -48,6 +48,7 @@ module WEBrick
       "ai"    => "application/postscript",
       "asc"   => "text/plain",
       "avi"   => "video/x-msvideo",
+      "avif"  => "image/avif",
       "bin"   => "application/octet-stream",
       "bmp"   => "image/bmp",
       "class" => "application/octet-stream",
@@ -65,6 +66,7 @@ module WEBrick
       "gif"   => "image/gif",
       "htm"   => "text/html",
       "html"  => "text/html",
+      "ico"   => "image/x-icon",
       "jpe"   => "image/jpeg",
       "jpeg"  => "image/jpeg",
       "jpg"   => "image/jpeg",
@@ -74,9 +76,11 @@ module WEBrick
       "lzh"   => "application/octet-stream",
       "mjs"   => "application/javascript",
       "mov"   => "video/quicktime",
+      "mp4"   => "video/mp4",
       "mpe"   => "video/mpeg",
       "mpeg"  => "video/mpeg",
       "mpg"   => "video/mpeg",
+      "otf"   => "font/otf",
       "pbm"   => "image/x-portable-bitmap",
       "pdf"   => "application/pdf",
       "pgm"   => "image/x-portable-graymap",
@@ -95,8 +99,15 @@ module WEBrick
       "svg"   => "image/svg+xml",
       "tif"   => "image/tiff",
       "tiff"  => "image/tiff",
+      "ttc"   => "font/collection",
+      "ttf"   => "font/ttf",
       "txt"   => "text/plain",
       "wasm"  => "application/wasm",
+      "webm"  => "video/webm",
+      "webmanifest" => "application/manifest+json",
+      "webp"  => "image/webp",
+      "woff"  => "font/woff",
+      "woff2" => "font/woff2",
       "xbm"   => "image/x-xbitmap",
       "xhtml" => "text/html",
       "xls"   => "application/vnd.ms-excel",
@@ -112,7 +123,7 @@ module WEBrick
     def load_mime_types(file)
       # note: +file+ may be a "| command" for now; some people may
       # rely on this, but currently we do not use this method by default.
-      open(file){ |io|
+      File.open(file){ |io|
         hash = Hash.new
         io.each{ |line|
           next if /^#/ =~ line
@@ -231,7 +242,7 @@ module WEBrick
     # Quotes and escapes quotes in +str+
 
     def quote(str)
-      '"' << str.gsub(/[\\\"]/o, "\\\1") << '"'
+      +'"' << str.gsub(/[\\\"]/o, "\\\1") << '"'
     end
     module_function :quote
 
@@ -495,7 +506,7 @@ module WEBrick
     # Escapes path +str+
 
     def escape_path(str)
-      result = ""
+      result = +""
       str.scan(%r{/([^/]*)}).each{|i|
         result << "/" << _escape(i[0], UNESCAPED_PCHAR)
       }
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpversion.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpversion.rb
similarity index 98%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpversion.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpversion.rb
index 8a251944a2..6349590334 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/httpversion.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/httpversion.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #--
 # HTTPVersion.rb -- presentation of HTTP version
 #
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/log.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/log.rb
similarity index 90%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/log.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/log.rb
index 2c1fdfe602..4de4bee1c8 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/log.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/log.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #--
 # log.rb -- Log Class
 #
@@ -86,15 +86,15 @@ module WEBrick
     end
 
     # Shortcut for logging a FATAL message
-    def fatal(msg) log(FATAL, "FATAL " << format(msg)); end
+    def fatal(msg) log(FATAL, "FATAL " + format(msg)); end
     # Shortcut for logging an ERROR message
-    def error(msg) log(ERROR, "ERROR " << format(msg)); end
+    def error(msg) log(ERROR, "ERROR " + format(msg)); end
     # Shortcut for logging a WARN message
-    def warn(msg)  log(WARN,  "WARN  " << format(msg)); end
+    def warn(msg)  log(WARN,  "WARN  " + format(msg)); end
     # Shortcut for logging an INFO message
-    def info(msg)  log(INFO,  "INFO  " << format(msg)); end
+    def info(msg)  log(INFO,  "INFO  " + format(msg)); end
     # Shortcut for logging a DEBUG message
-    def debug(msg) log(DEBUG, "DEBUG " << format(msg)); end
+    def debug(msg) log(DEBUG, "DEBUG " + format(msg)); end
 
     # Will the logger output FATAL messages?
     def fatal?; @level >= FATAL; end
@@ -118,7 +118,7 @@ module WEBrick
     # * Otherwise it will return +arg+.inspect.
     def format(arg)
       if arg.is_a?(Exception)
-        "#{arg.class}: #{AccessLog.escape(arg.message)}\n\t" <<
+        +"#{arg.class}: #{AccessLog.escape(arg.message)}\n\t" <<
         arg.backtrace.join("\n\t") << "\n"
       elsif arg.respond_to?(:to_str)
         AccessLog.escape(arg.to_str)
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/server.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/server.rb
similarity index 98%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/server.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/server.rb
index fd6b7a61b5..f085d5d2b0 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/server.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/server.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # server.rb -- GenericServer Class
 #
@@ -102,7 +102,7 @@ module WEBrick
       @listeners = []
       @shutdown_pipe = nil
       unless @config[:DoNotListen]
-        raise ArgumentError, "Port must an integer" unless @config[:Port].to_s == @config[:Port].to_i.to_s
+        raise ArgumentError, "Port must be an integer" unless @config[:Port].to_s == @config[:Port].to_i.to_s
 
         @config[:Port] = @config[:Port].to_i
         if @config[:Listen]
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/ssl.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/ssl.rb
similarity index 90%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/ssl.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/ssl.rb
index e448095a12..6937f93bf0 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/ssl.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/ssl.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # ssl.rb -- SSL/TLS enhancement for GenericServer
 #
@@ -95,18 +95,22 @@ module WEBrick
     # the issuer +cn+ and a +comment+ to be stored in the certificate.
 
     def create_self_signed_cert(bits, cn, comment)
-      rsa = OpenSSL::PKey::RSA.new(bits){|p, n|
-        case p
-        when 0; $stderr.putc "."  # BN_generate_prime
-        when 1; $stderr.putc "+"  # BN_generate_prime
-        when 2; $stderr.putc "*"  # searching good prime,
-                                  # n = #of try,
-                                  # but also data from BN_generate_prime
-        when 3; $stderr.putc "\n" # found good prime, n==0 - p, n==1 - q,
-                                  # but also data from BN_generate_prime
-        else;   $stderr.putc "*"  # BN_generate_prime
-        end
-      }
+      rsa = if $VERBOSE
+        OpenSSL::PKey::RSA.new(bits){|p, n|
+          case p
+          when 0; $stderr.putc "."  # BN_generate_prime
+          when 1; $stderr.putc "+"  # BN_generate_prime
+          when 2; $stderr.putc "*"  # searching good prime,
+                                    # n = #of try,
+                                    # but also data from BN_generate_prime
+          when 3; $stderr.putc "\n" # found good prime, n==0 - p, n==1 - q,
+                                    # but also data from BN_generate_prime
+          else;   $stderr.putc "*"  # BN_generate_prime
+          end
+        }
+      else
+        OpenSSL::PKey::RSA.new(bits)
+      end
       cert = OpenSSL::X509::Certificate.new
       cert.version = 2
       cert.serial = 1
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/utils.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/utils.rb
similarity index 99%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/utils.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/utils.rb
index a96d6f03fd..e4902d0bd9 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/utils.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/utils.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # utils.rb -- Miscellaneous utilities
 #
@@ -78,7 +78,7 @@ module WEBrick
     # Generates a random string of length +len+
     def random_string(len)
       rand_max = RAND_CHARS.bytesize
-      ret = ""
+      ret = +""
       len.times{ ret << RAND_CHARS[rand(rand_max)] }
       ret
     end
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/version.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/version.rb
similarity index 86%
rename from Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/version.rb
rename to Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/version.rb
index b62988bdbb..ceeefc33f9 100644
--- a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.7.0/lib/webrick/version.rb
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/webrick-1.8.1/lib/webrick/version.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #--
 # version.rb -- version and release date
 #
@@ -14,5 +14,5 @@ module WEBrick
   ##
   # The WEBrick version
 
-  VERSION      = "1.7.0"
+  VERSION      = "1.8.1"
 end