retrospec.gemspec in retrospec-0.5.0 vs retrospec.gemspec in retrospec-0.5.1

@@ -33,17 +33,16 @@
     f.match(%r{^(test|spec|features)/})
   end
   spec.bindir        = 'bin'
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
-  spec.add_dependency 'trollop'
+  spec.add_runtime_dependency 'trollop'
   spec.add_development_dependency 'bundler', '~> 1.13'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'pry', '>=0'
   spec.add_development_dependency 'simplecov', '>=0'
   spec.add_development_dependency 'fakefs', '>=0'
   spec.add_development_dependency 'rubocop'
-
 end