scryglass.gemspec in scryglass-0.1.0 vs scryglass.gemspec in scryglass-1.0.0

@@ -6,10 +6,11 @@
 Gem::Specification.new do |spec|
   spec.name          = "scryglass"
   spec.version       = Scryglass::VERSION
   spec.authors       = ["Gavin Myers"]
   spec.email         = ["[e-mail]"]
+  spec.licenses      = ['MIT']
 
   spec.summary       = 'Scryglass is a ruby console tool for visualizing ' \
     'and actively exploring objects.'
   spec.description   = 'Scryglass is a ruby console tool for visualizing ' \
     'and actively exploring objects (large, nested, interrelated, ' \
@@ -36,11 +37,13 @@
   end
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = '>= 2.4.4'
+  spec.required_ruby_version = '>= 2.5.3'
 
   spec.add_development_dependency 'activesupport', '~> 5.0'
+  spec.add_development_dependency 'io-console'
   spec.add_development_dependency 'bundler', '~> 2.1'
-  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rake', '~> 12.0'
+
 end