pdfmonkey.gemspec in pdfmonkey-0.8.1 vs pdfmonkey.gemspec in pdfmonkey-0.9.0

@@ -20,9 +20,11 @@
   end
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
+  spec.add_runtime_dependency 'ostruct', '>= 0.6.0'
+
   spec.add_development_dependency 'bundler', '~> 2.2'
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.8'
   spec.add_development_dependency 'rubocop', '~> 1.26'
 end