shutl_auth.gemspec in shutl_auth-0.8.0 vs shutl_auth.gemspec in shutl_auth-0.8.1

@@ -17,10 +17,10 @@
   gem.files         = `git ls-files`.split($/)
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
-  gem.add_dependency 'retriable'
+  gem.add_dependency 'retriable', '~> 1.3.1'
   gem.add_dependency 'rack-oauth2'
   gem.add_dependency 'crack', '~> 0.3.2'
 
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'rspec', '~> 2.11.0'