unibits.gemspec in unibits-2.3.0 vs unibits.gemspec in unibits-2.4.0

@@ -17,10 +17,11 @@
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
   gem.add_dependency 'paint', '>= 0.9', '< 3.0'
   gem.add_dependency 'unicode-display_width', '~> 1.1'
-  gem.add_dependency 'characteristics', '~> 0.5'
+  gem.add_dependency 'symbolify', '~> 1.0'
+  gem.add_dependency 'characteristics', '>= 0.5.2'
   gem.add_dependency 'rationalist', '~> 2.0'
 
   gem.required_ruby_version = "~> 2.0"
 end