cli-kit.gemspec in cli-kit-3.3.0 vs cli-kit.gemspec in cli-kit-4.0.0

@@ -1,6 +1,7 @@
 # coding: utf-8
+
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'cli/kit/version'
 
 Gem::Specification.new do |spec|
@@ -12,18 +13,18 @@
   spec.summary       = 'Terminal UI framework extensions'
   spec.description   = 'Terminal UI framework extensions'
   spec.homepage      = 'https://github.com/shopify/cli-kit'
   spec.license       = 'MIT'
 
-  spec.files = `git ls-files -z`.split("\x0").reject do |f|
+  spec.files = %x(git ls-files -z).split("\x0").reject do |f|
     f.match(%r{^(test|spec|features)/})
   end
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_runtime_dependency 'cli-ui', '>= 1.1.4'
+  spec.add_runtime_dependency('cli-ui', '>= 1.1.4')
 
-  spec.add_development_dependency 'bundler', '~> 1.15'
-  spec.add_development_dependency 'rake', '~> 10.0'
-  spec.add_development_dependency 'minitest', '~> 5.0'
+  spec.add_development_dependency('bundler', '~> 2.1')
+  spec.add_development_dependency('minitest', '~> 5.0')
+  spec.add_development_dependency('rake', '~> 13.0')
 end