Rakefile in rubyXL-3.4.1 vs Rakefile in rubyXL-3.4.2

@@ -18,9 +18,10 @@
   gem.license = "MIT"
   gem.summary = %Q{rubyXL is a gem which allows the parsing, creation, and manipulation of Microsoft Excel (.xlsx/.xlsm) Documents}
   gem.description = %Q{rubyXL is a gem which allows the parsing, creation, and manipulation of Microsoft Excel (.xlsx/.xlsm) Documents}
   gem.email = "[e-mail]"
   gem.authors = ["Vivek Bhagwat", 'Wesha']
+#  gem.required_ruby_version = '>2.1'
   # dependencies defined in Gemfile
 end
 Jeweler::RubygemsDotOrgTasks.new 
 
 require 'rake/testtask'