bin/serve was updated during a bundle install --binstubs

bin/serve

@@ -1,16 +1,16 @@
 #!/usr/bin/env ruby
+#
+# This file was generated by Bundler.
+#
+# The application 'serve' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
 
-lib = File.dirname(__FILE__) + '/../lib'
+require 'pathname'
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
 
 require 'rubygems'
+require 'bundler/setup'
 
-if File.file?(lib + '/serve/version.rb')
-  $LOAD_PATH << lib
-else
-  gem 'serve'
-end
-
-require 'serve'
-require 'serve/application'
-
-Serve::Application.run
+load Gem.bin_path('serve', 'serve')