svgcode.gemspec in svgcode-0.4.0 vs svgcode.gemspec in svgcode-0.6.0

@@ -21,11 +21,14 @@
   spec.require_paths = ['lib']
 
   spec.add_development_dependency 'bundler', '~> 1.16'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
+
   spec.add_development_dependency 'byebug'
   spec.add_development_dependency 'yard'
+  spec.add_development_dependency 'guard'
+  spec.add_development_dependency 'guard-shell'
 
   spec.add_dependency 'nokogiri', '~> 1.8'
   spec.add_dependency 'thor', '~> 0.20'
 end