sugar_utils.gemspec in sugar_utils-0.5.0 vs sugar_utils.gemspec in sugar_utils-0.6.0

@@ -1,9 +1,8 @@
-# coding: utf-8
 # frozen_string_literal: true
 
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'sugar_utils/version'
 
 Gem::Specification.new do |spec|
   spec.name          = 'sugar_utils'
@@ -17,21 +16,31 @@
 
   spec.files         = `git ls-files -z`.split("\x0")
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
 
-  spec.required_ruby_version = '>= 2.0.0'
+  spec.required_ruby_version = '>= 2.2.0'
 
   spec.add_dependency 'multi_json',   '~> 1.0'
   spec.add_dependency 'solid_assert', '~> 1.0'
 
-  spec.add_development_dependency 'bundler',       '~> 1.7'
-  spec.add_development_dependency 'rake',          '~> 12.0'
-  spec.add_development_dependency 'rspec',         '~> 3.5.0'
-  spec.add_development_dependency 'rspec-tabular', '~> 0.1.0'
-  spec.add_development_dependency 'simplecov',     '~> 0.14.0'
-  spec.add_development_dependency 'yard',          '~> 0.9.0'
-  spec.add_development_dependency 'yardstick',     '~> 0.9.9'
-  spec.add_development_dependency 'fakefs',        '~> 0.7'
-  spec.add_development_dependency 'codeclimate-test-reporter'
-  spec.add_development_dependency 'rubocop'
+  spec.add_development_dependency 'aruba',              '~> 0.14.9'
+  spec.add_development_dependency 'bundler',            '~> 1.7'
+  spec.add_development_dependency 'cucumber',           '~> 3.1.2'
+  spec.add_development_dependency 'fakefs',             '~> 0.7'
+  spec.add_development_dependency 'rake',               '~> 12.0'
+  spec.add_development_dependency 'rspec',              '~> 3.8.0'
+  spec.add_development_dependency 'rspec-side_effects', '~> 0.2.0'
+  spec.add_development_dependency 'rspec-tabular',      '~> 0.2.0'
+
+  # Dependencies whose APIs we do not really depend upon, and can be upgraded
+  # without limiting.
+  spec.add_development_dependency 'bundler-audit'
+  spec.add_development_dependency 'license_finder'
+  # HACK: Limit ourselves to Rubocop versions which still support Ruby2.2. This
+  # can be removed once we drop support for Ruby2.2.
+  spec.add_development_dependency 'rubocop', '~> 0.68.0'
+  spec.add_development_dependency 'rubocop-rspec'
+  spec.add_development_dependency 'simplecov'
+  spec.add_development_dependency 'yard'
+  spec.add_development_dependency 'yardstick'
 end