getopt.gemspec in getopt-1.5.0 vs getopt.gemspec in getopt-1.5.1

@@ -1,19 +1,19 @@
 require 'rubygems'
 
 Gem::Specification.new do |spec|
   spec.name       = 'getopt'
-  spec.version    = '1.5.0'
+  spec.version    = '1.5.1'
   spec.author     = 'Daniel J. Berger'
   spec.license    = 'Apache-2.0'
   spec.email      = '[e-mail]'
   spec.homepage   = 'https://github.com/djberg96/getopt'
   spec.summary    = 'Getopt::Std and Getopt::Long option parsers for Ruby'
   spec.test_files = Dir['test/*.rb']
   spec.files      = Dir['**/*'].reject{ |f| f.include?('git') }
   spec.cert_chain = Dir['certs/*']
 
-  spec.extra_rdoc_files  = ['README', 'CHANGES', 'MANIFEST']
+  spec.extra_rdoc_files  = ['README.rdoc', 'CHANGES.rdoc', 'MANIFEST.rdoc']
    
   spec.add_development_dependency('test-unit', '>= 2.5.0')
   spec.required_ruby_version = '>= 2.2.0'
 
   spec.metadata = {