jekyll-gist.gemspec in jekyll-gist-1.4.1 vs jekyll-gist.gemspec in jekyll-gist-1.5.0

@@ -1,28 +1,31 @@
-# coding: utf-8
-lib = File.expand_path('../lib', __FILE__)
+# frozen_string_literal: true
+
+lib = File.expand_path("lib", __dir__)
+
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'jekyll-gist/version'
+require "jekyll-gist/version"
 
 Gem::Specification.new do |spec|
   spec.name          = "jekyll-gist"
   spec.version       = Jekyll::Gist::VERSION
   spec.authors       = ["Parker Moore"]
   spec.email         = ["[e-mail]"]
-  spec.summary       = %q{Liquid tag for displaying GitHub Gists in Jekyll sites.}
+  spec.summary       = "Liquid tag for displaying GitHub Gists in Jekyll sites."
   spec.homepage      = "https://github.com/jekyll/jekyll-gist"
   spec.license       = "MIT"
 
-  spec.required_ruby_version = '>= 1.9.3'
+  spec.required_ruby_version = ">= 2.1"
 
   spec.files         = `git ls-files -z`.split("\x0")
-  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
-  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
+  spec.executables   = spec.files.grep(%r!^bin/!) { |f| File.basename(f) }
+  spec.test_files    = spec.files.grep(%r!^(test|spec|features)/!)
   spec.require_paths = ["lib"]
 
   spec.add_dependency "octokit", "~> 4.2"
   spec.add_development_dependency "bundler", "~> 1.6"
+  spec.add_development_dependency "jekyll", ">= 3.0"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec"
+  spec.add_development_dependency "rubocop", "~> 0.51"
   spec.add_development_dependency "webmock"
-  spec.add_development_dependency "jekyll", ">= 2.0"
 end