clutterbuck-erb.gemspec in clutterbuck-erb-0.1.1 vs clutterbuck-erb.gemspec in clutterbuck-erb-0.2.0

@@ -20,9 +20,11 @@
 
 	s.files = `git ls-files -z`.split("\0").reject { |f| f =~ /^(G|spec|Rakefile)/ }
 
 	s.required_ruby_version = ">= 1.9.3"
 
+	s.add_runtime_dependency 'rack'
+
 	s.add_development_dependency 'bundler'
 	s.add_development_dependency 'github-release'
 	s.add_development_dependency 'guard-spork'
 	s.add_development_dependency 'guard-rspec'
 	s.add_development_dependency 'rake', '~> 10.4', '>= 10.4.2'