unibits.gemspec in unibits-2.10.0 vs unibits.gemspec in unibits-2.11.0

@@ -14,14 +14,15 @@
 
   gem.files         = Dir["{**/}{.*,*}"].select{ |path| File.file?(path) && path !~ /^(pkg|screenshots)/ }
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
+  gem.metadata      = { "rubygems_mfa_required" => "true" }
 
   gem.add_dependency 'paint', '>= 0.9', '< 3.0'
-  gem.add_dependency 'unicode-display_width', '~> 2.1'
+  gem.add_dependency 'unicode-display_width', '~> 2.3'
   gem.add_dependency 'symbolify', '~> 1.4'
-  gem.add_dependency 'characteristics', '~> 1.4'
+  gem.add_dependency 'characteristics', '~> 1.5'
   gem.add_dependency 'rationalist', '~> 2.0', '>= 2.0.1'
 
   gem.required_ruby_version = ">= 2.0"
 end