in_threads.gemspec in in_threads-1.5.2 vs in_threads.gemspec in in_threads-1.5.3

@@ -1,15 +1,13 @@
 # encoding: UTF-8
 
 Gem::Specification.new do |s|
   s.name        = 'in_threads'
-  s.version     = '1.5.2'
+  s.version     = '1.5.3'
   s.summary     = %q{Run all possible enumerable methods in concurrent/parallel threads}
   s.homepage    = "http://github.com/toy/#{s.name}"
   s.authors     = ['Ivan Kuchin']
   s.license     = 'MIT'
-
-  s.rubyforge_project = s.name
 
   s.metadata = {
     'bug_tracker_uri'   => "https://github.com/toy/#{s.name}/issues",
     'changelog_uri'     => "https://github.com/toy/#{s.name}/blob/master/CHANGELOG.markdown",
     'documentation_uri' => "https://www.rubydoc.info/gems/#{s.name}/#{s.version}",