grape-swagger-rails.gemspec in grape-swagger-rails-0.5.1 vs grape-swagger-rails.gemspec in grape-swagger-rails-0.6.0

@@ -13,9 +13,10 @@
   spec.summary       = 'Swagger UI as Rails Engine for grape-swagger gem.'
   spec.homepage      = 'https://github.com/ruby-grape/grape-swagger-rails'
   spec.license       = 'MIT'
   spec.files         = `git ls-files`.split($INPUT_RECORD_SEPARATOR)
   spec.require_paths = %w[lib]
+  spec.add_dependency 'ostruct'
   spec.add_dependency 'railties', '>= 6.0.6.1'
   spec.metadata = {
     'bug_tracker_uri' => 'https://github.com/ruby-grape/grape-swagger-rails/issues',
     'changelog_uri' => 'https://github.com/ruby-grape/grape-swagger-rails/blob/master/CHANGELOG.md',
     'source_code_uri' => "https://github.com/ruby-grape/grape-swagger-rails/tree/v#{GrapeSwaggerRails::VERSION}",