Duplicate frozen string in gem.version

pezholio · pezholio · commit c7a6cff5ded9 · 2017-03-31T15:31:28.000+01:00
diff --git a/countries.gemspec b/countries.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |gem|
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.name          = 'countries'
   gem.require_paths = ['lib']
-  gem.version       = Countries::VERSION
+  gem.version       = Countries::VERSION.dup
   gem.license       = 'MIT'
 
   gem.add_dependency('i18n_data', '~> 0.7.0')
