sendgrid-actionmailer.gemspec in sendgrid-actionmailer-0.2.1 vs sendgrid-actionmailer.gemspec in sendgrid-actionmailer-2.0.0

@@ -1,6 +1,7 @@
 # coding: utf-8
+
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'sendgrid_actionmailer/version'
 
 Gem::Specification.new do |spec|
@@ -17,13 +18,13 @@
   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_dependency 'mail', '~> 2.5'
-  spec.add_dependency 'sendgrid-ruby', '< 2.0'
+  spec.add_dependency 'sendgrid-ruby', '~> 5.0'
 
+  spec.add_development_dependency 'appraisal', '~> 2.1.0'
   spec.add_development_dependency 'bundler', '~> 1.6'
   spec.add_development_dependency 'rake'
-  spec.add_development_dependency 'rspec', '~>3.2.0'
-  spec.add_development_dependency 'appraisal', '~> 2.1.0'
-  spec.add_development_dependency 'webmock', '~> 1.24.6'
+  spec.add_development_dependency 'rspec', '~> 3.2'
+  spec.add_development_dependency 'webmock'
 end