cli-ui.gemspec in cli-ui-1.3.0 vs cli-ui.gemspec in cli-ui-1.4.0

@@ -12,16 +12,16 @@
   spec.summary       = 'Terminal UI framework'
   spec.description   = 'Terminal UI framework'
   spec.homepage      = "https://github.com/shopify/cli-ui"
   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_development_dependency "bundler", "~> 2.0"
-  spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "minitest", "~> 5.0"
+  spec.add_development_dependency("rake", "~> 13.0")
+  spec.add_development_dependency("minitest", "~> 5.0")
 end