diff --git a/middleman-cli/middleman-cli.gemspec b/middleman-cli/middleman-cli.gemspec
index 5d9c1b90..40a1af26 100644
--- a/middleman-cli/middleman-cli.gemspec
+++ b/middleman-cli/middleman-cli.gemspec
@@ -1,24 +1,24 @@
 # -*- encoding: utf-8 -*-
-$:.push File.expand_path("../lib", __FILE__)
-require File.expand_path("../../middleman-core/lib/middleman-core/version.rb", __FILE__)
+$LOAD_PATH.push File.expand_path('../lib', __FILE__)
+require File.expand_path('../../middleman-core/lib/middleman-core/version.rb', __FILE__)
 
 Gem::Specification.new do |s|
-  s.name        = "middleman-cli"
+  s.name        = 'middleman-cli'
   s.version     = Middleman::VERSION
   s.platform    = Gem::Platform::RUBY
-  s.license     = "MIT"
-  s.authors     = ["Thomas Reynolds", "Ben Hollis"]
-  s.email       = ["me@tdreyno.com", "ben@benhollis.net"]
-  s.homepage    = "http://middlemanapp.com"
-  s.summary     = "Hand-crafted frontend development"
-  s.description = "A static site generator. Provides dozens of templating languages (Haml, Sass, Compass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle."
+  s.license     = 'MIT'
+  s.authors     = ['Thomas Reynolds', 'Ben Hollis']
+  s.email       = ['me@tdreyno.com', 'ben@benhollis.net']
+  s.homepage    = 'http://middlemanapp.com'
+  s.summary     = 'Hand-crafted frontend development'
+  s.description = 'A static site generator. Provides dozens of templating languages (Haml, Sass, Compass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle.'
 
   s.files        = `git ls-files -z`.split("\0")
   s.test_files   = `git ls-files -z -- {fixtures,features}/*`.split("\0")
-  s.executable   = "middleman"
-  s.require_path = "lib"
+  s.executable   = 'middleman'
+  s.require_path = 'lib'
   s.required_ruby_version = '>= 1.9.3'
 
   # CLI
-  s.add_dependency("thor", [">= 0.17.0", "< 2.0"])
+  s.add_dependency('thor', ['>= 0.17.0', '< 2.0'])
 end
diff --git a/middleman-core/middleman-core.gemspec b/middleman-core/middleman-core.gemspec
index f1fac373..3545a8ee 100644
--- a/middleman-core/middleman-core.gemspec
+++ b/middleman-core/middleman-core.gemspec
@@ -1,35 +1,36 @@
 # -*- encoding: utf-8 -*-
-require File.expand_path("../lib/middleman-core/version", __FILE__)
+$LOAD_PATH.push File.expand_path('../lib', __FILE__)
+require File.expand_path('../lib/middleman-core/version', __FILE__)
 
 Gem::Specification.new do |s|
-  s.name        = "middleman-core"
+  s.name        = 'middleman-core'
   s.version     = Middleman::VERSION
   s.platform    = Gem::Platform::RUBY
-  s.license     = "MIT"
-  s.authors     = ["Thomas Reynolds", "Ben Hollis"]
-  s.email       = ["me@tdreyno.com", "ben@benhollis.net"]
-  s.homepage    = "http://middlemanapp.com"
-  s.summary     = "Hand-crafted frontend development"
-  s.description = "A static site generator. Provides dozens of templating languages (Haml, Sass, Compass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle."
+  s.license     = 'MIT'
+  s.authors     = ['Thomas Reynolds', 'Ben Hollis']
+  s.email       = ['me@tdreyno.com', 'ben@benhollis.net']
+  s.homepage    = 'http://middlemanapp.com'
+  s.summary     = 'Hand-crafted frontend development'
+  s.description = 'A static site generator. Provides dozens of templating languages (Haml, Sass, Compass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle.'
 
   s.files        = `git ls-files -z`.split("\0")
   s.test_files   = `git ls-files -z -- {fixtures,features}/*`.split("\0")
-  s.require_path = "lib"
+  s.require_path = 'lib'
   s.required_ruby_version = '>= 1.9.3'
 
   # Core
-  s.add_dependency("bundler", ["~> 1.1"])
-  s.add_dependency("rack", [">= 1.4.5"])
-  s.add_dependency("tilt", ["~> 1.4.1"])
-  s.add_dependency("erubis")
-  s.add_dependency("hooks", ["~> 0.3"])
+  s.add_dependency('bundler', ['~> 1.1'])
+  s.add_dependency('rack', ['>= 1.4.5'])
+  s.add_dependency('tilt', ['~> 1.4.1'])
+  s.add_dependency('erubis')
+  s.add_dependency('hooks', ['~> 0.3'])
 
   # Helpers
-  s.add_dependency("activesupport", ["~> 4.0.1"])
+  s.add_dependency('activesupport', ['~> 4.0.1'])
 
   # Watcher
-  s.add_dependency("listen", ["~> 1.3"])
+  s.add_dependency('listen', ['~> 1.3'])
 
   # i18n
-  s.add_dependency("i18n", ["~> 0.6.9"])
+  s.add_dependency('i18n', ['~> 0.6.9'])
 end
diff --git a/middleman-templates/middleman-templates.gemspec b/middleman-templates/middleman-templates.gemspec
index c61150b4..5ecbca4f 100644
--- a/middleman-templates/middleman-templates.gemspec
+++ b/middleman-templates/middleman-templates.gemspec
@@ -1,24 +1,24 @@
 # -*- encoding: utf-8 -*-
-$:.push File.expand_path("../lib", __FILE__)
-require File.expand_path("../../middleman-core/lib/middleman-core/version.rb", __FILE__)
+$LOAD_PATH.push File.expand_path('../lib', __FILE__)
+require File.expand_path('../../middleman-core/lib/middleman-core/version.rb', __FILE__)
 
 Gem::Specification.new do |s|
-  s.name        = "middleman-templates"
+  s.name        = 'middleman-templates'
   s.version     = Middleman::VERSION
   s.platform    = Gem::Platform::RUBY
-  s.license     = "MIT"
-  s.authors     = ["Thomas Reynolds", "Ben Hollis", "Karl Freeman"]
-  s.email       = ["me@tdreyno.com", "ben@benhollis.net", "karlfreeman@gmail.com"]
-  s.homepage    = "http://middlemanapp.com"
-  s.summary     = "Hand-crafted frontend development"
-  s.description = "A static site generator. Provides dozens of templating languages (Haml, Sass, Compass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle."
+  s.license     = 'MIT'
+  s.authors     = ['Thomas Reynolds', 'Ben Hollis', 'Karl Freeman']
+  s.email       = ['me@tdreyno.com', 'ben@benhollis.net', 'karlfreeman@gmail.com']
+  s.homepage    = 'http://middlemanapp.com'
+  s.summary     = 'Hand-crafted frontend development'
+  s.description = 'A static site generator. Provides dozens of templating languages (Haml, Sass, Compass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle.'
 
   s.files        = `git ls-files -z`.split("\0")
   s.test_files   = `git ls-files -z -- {fixtures,features}/*`.split("\0")
-  s.executable   = "middleman"
-  s.require_path = "lib"
+  s.executable   = 'middleman'
+  s.require_path = 'lib'
   s.required_ruby_version = '>= 1.9.3'
 
   # Templates
-  s.add_dependency("thor", [">= 0.17.0", "< 2.0"])
+  s.add_dependency('thor', ['>= 0.17.0', '< 2.0'])
 end
diff --git a/middleman/middleman.gemspec b/middleman/middleman.gemspec
index 5fa6f558..d8803faa 100644
--- a/middleman/middleman.gemspec
+++ b/middleman/middleman.gemspec
@@ -1,32 +1,32 @@
 # -*- encoding: utf-8 -*-
-$:.push File.expand_path("../lib", __FILE__)
-require File.expand_path("../../middleman-core/lib/middleman-core/version.rb", __FILE__)
+$LOAD_PATH.push File.expand_path('../lib', __FILE__)
+require File.expand_path('../../middleman-core/lib/middleman-core/version.rb', __FILE__)
 
 Gem::Specification.new do |s|
-  s.name        = "middleman"
+  s.name        = 'middleman'
   s.version     = Middleman::VERSION
   s.platform    = Gem::Platform::RUBY
-  s.license     = "MIT"
-  s.authors     = ["Thomas Reynolds", "Ben Hollis"]
-  s.email       = ["me@tdreyno.com", "ben@benhollis.net"]
-  s.homepage    = "http://middlemanapp.com"
-  s.summary     = "Hand-crafted frontend development"
-  s.description = "A static site generator. Provides dozens of templating languages (Haml, Sass, Compass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle."
+  s.license     = 'MIT'
+  s.authors     = ['Thomas Reynolds', 'Ben Hollis']
+  s.email       = ['me@tdreyno.com', 'ben@benhollis.net']
+  s.homepage    = 'http://middlemanapp.com'
+  s.summary     = 'Hand-crafted frontend development'
+  s.description = 'A static site generator. Provides dozens of templating languages (Haml, Sass, Compass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle.'
 
-  s.files         = `git ls-files -z`.split("\0")
-  s.test_files    = `git ls-files -z -- {fixtures,features}/*`.split("\0")
-  s.require_paths = ["lib"]
+  s.files        = `git ls-files -z`.split("\0")
+  s.test_files   = `git ls-files -z -- {fixtures,features}/*`.split("\0")
+  s.require_path = 'lib'
   s.required_ruby_version = '>= 1.9.3'
 
-  s.add_dependency("middleman-core", Middleman::VERSION)
-  s.add_dependency("middleman-cli", Middleman::VERSION)
-  s.add_dependency("middleman-templates", Middleman::VERSION)
-  s.add_dependency("middleman-sprockets", ">= 3.1.2")
-  s.add_dependency("haml", [">= 3.1.6"])
-  s.add_dependency("sass", [">= 3.1.20"])
-  s.add_dependency("compass", [">= 0.12.2"])
-  s.add_dependency("uglifier", ["~> 2.4.0"])
-  s.add_dependency("coffee-script", ["~> 2.2.0"])
-  s.add_dependency("execjs", ["~> 2.0.2"])
-  s.add_dependency("kramdown", ["~> 1.2"])
+  s.add_dependency('middleman-core', Middleman::VERSION)
+  s.add_dependency('middleman-cli', Middleman::VERSION)
+  s.add_dependency('middleman-templates', Middleman::VERSION)
+  s.add_dependency('middleman-sprockets', '>= 3.1.2')
+  s.add_dependency('haml', ['>= 3.1.6'])
+  s.add_dependency('sass', ['>= 3.1.20'])
+  s.add_dependency('compass', ['>= 0.12.2'])
+  s.add_dependency('uglifier', ['~> 2.4.0'])
+  s.add_dependency('coffee-script', ['~> 2.2.0'])
+  s.add_dependency('execjs', ['~> 2.0.2'])
+  s.add_dependency('kramdown', ['~> 1.2'])
 end