better_ipaddr.gemspec in better_ipaddr-0.5.0 vs better_ipaddr.gemspec in better_ipaddr-0.6.0

@@ -1,7 +1,6 @@
-# coding: utf-8
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'better_ipaddr/version'
 
 Gem::Specification.new do |spec|
   spec.name          = "better_ipaddr"
@@ -11,15 +10,20 @@
 
   spec.summary       = "IPAddr enhancements for network management."
   spec.homepage      = "https://github.com/bjmllr/better_ipaddr"
   spec.license       = "GPL-3.0"
 
-  spec.files         = `git ls-files -z`.split("\x0")
+  spec.files         = `git ls-files -z`
+                       .split("\x0")
                        .reject { |f| f.match(%r{^(test|spec|features)/}) }
+
   spec.bindir        = "exe"
-  spec.executables   = spec.files.grep(%r(^exe/)) { |f| File.basename(f) }
+  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 1.0"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "ipaddr", ">= 1.2.0"
   spec.add_development_dependency "minitest", "~> 5.0"
+  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rubocop", "~> 0.54" if RUBY_VERSION > '2.1'
+  spec.add_development_dependency "test-unit"
 end