appium_lib.gemspec in appium_lib-14.0.0 vs appium_lib.gemspec in appium_lib-15.0.0

@@ -12,21 +12,22 @@
   s.authors       = ['[e-mail]', 'Kazuaki Matsuo']
   s.email         = %w([e-mail] [e-mail])
   s.homepage      = 'https://github.com/appium/ruby_lib' # published as appium_lib
   s.require_paths = ['lib']
 
-  s.add_runtime_dependency 'appium_lib_core', '>= 7.4.0', '< 8'
+  s.add_runtime_dependency 'appium_lib_core', '~> 8.0.0'
   s.add_runtime_dependency 'nokogiri', '~> 1.8', '>= 1.8.1'
   s.add_runtime_dependency 'tomlrb', '>= 1.1', '< 3.0'
 
   s.add_development_dependency 'appium_thor', '~> 1.1', '>= 1.1.4'
   s.add_development_dependency 'fakefs', '~> 2.5.0'
   s.add_development_dependency 'hashdiff', '~> 1.1.0'
   s.add_development_dependency 'posix-spawn', '~> 0.3'
   s.add_development_dependency 'pry'
   s.add_development_dependency 'rake', '~> 13.0'
-  s.add_development_dependency 'rubocop', '1.60.1'
-  s.add_development_dependency 'spec', '~> 5.3', '>= 5.3.4'
+  s.add_development_dependency 'rubocop', '1.63.0'
   s.add_development_dependency 'yard', '~> 0.9.11'
+  s.add_development_dependency 'minitest', '~> 5.0'
+  s.add_development_dependency 'minitest-reporters', '~> 1.1'
 
   s.files = `git ls-files`.split("\n").reject { |v| v.match(/\A^(ios_tests|android_tests|grid|test_apps)\/.+/) }
 end