Merge pull request #3 from voxmedia/jm-correct-rails-gemspec

This version is not rails 6 compatible

Author: jamiemccarthy

prototype-rails.gemspec

@@ -1,14 +1,14 @@
 Gem::Specification.new do |spec|
   spec.name     = 'prototype-rails'
-  spec.version  = '4.1.4'
+  spec.version  = '4.1.5'
   spec.summary  = 'Prototype, Scriptaculous, and RJS for Ruby on Rails'
   spec.homepage = 'http://github.com/rails/prototype-rails'
   spec.author   = 'Xavier Noria'
   spec.email    = 'fxn@hashref.com'
 
   spec.files = %w(README.md Rakefile Gemfile MIT-LICENSE) + Dir['lib/**/*', 'vendor/**/*']
 
-  spec.add_dependency('rails', '>= 4.2')
+  spec.add_dependency('rails', '>= 4.2', '< 6.0')
   spec.add_development_dependency('mocha')
   spec.add_development_dependency('rails-controller-testing')
   spec.license = "MIT"