arx.gemspec in arx-1.2.0 vs arx.gemspec in arx-1.2.1

@@ -14,16 +14,16 @@
   spec.require_paths = ['lib']
   spec.files         = Dir.glob('lib/**/*', File::FNM_DOTMATCH) + %w[
     Gemfile LICENSE CHANGELOG.md README.md Rakefile arx.gemspec
   ]
 
-  spec.required_ruby_version = '~> 2.5'
+  spec.required_ruby_version = '>= 2.5'
 
   spec.add_runtime_dependency 'nokogiri', '~> 1.10'
   spec.add_runtime_dependency 'nokogiri-happymapper', '~> 0.8'
 
-  spec.add_development_dependency 'bundler', '>= 1.17'
-  spec.add_development_dependency 'rake', '~> 12.3'
+  spec.add_development_dependency 'bundler'
+  spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'thor', '~> 0.20.3'
   spec.add_development_dependency 'rspec', '~> 3.7'
   spec.add_development_dependency 'coveralls', '0.8.23'
   spec.add_development_dependency 'yard', '~> 0.9', '>= 0.9.10'
 
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