monkeyengine.gemspec in MonkeyEngine-2.0.1 vs monkeyengine.gemspec in MonkeyEngine-2.0.2

@@ -23,10 +23,10 @@
   spec.files         = `git ls-files`.split($INPUT_RECORD_SEPARATOR)
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
 
-  spec.add_development_dependency 'bundler', '~> 2.3', '>= 2.3.20'
+  spec.add_development_dependency 'bundler', '~> 2.4', '>= 2.4.21'
   spec.add_development_dependency 'colorize', '~> 0.8.1'
   spec.add_development_dependency 'pry-byebug', '~> 3.9'
   spec.add_development_dependency 'rake', '~> 13.0', '>= 13.0.6'
   spec.add_development_dependency 'redcarpet', '~> 2.3', '>= 2.3.0'
   spec.add_development_dependency 'rspec', '~> 3.10'