diff --git a/simple_oauth.gemspec b/simple_oauth.gemspec
index 2ebbbca..9a58f6b 100644
--- a/simple_oauth.gemspec
+++ b/simple_oauth.gemspec
@@ -5,6 +5,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'mocha', '~> 0.9'
   spec.add_development_dependency 'rake', '~> 0.8'
   spec.add_development_dependency 'simplecov', '~> 0.4'
+  spec.add_development_dependency 'turn', '~> 0.8'
   spec.add_development_dependency 'yard', '~> 0.6'
   spec.authors = ['Steve Richert']
   spec.description = 'Simply builds and verifies OAuth headers'
diff --git a/test/helper.rb b/test/helper.rb
index 04c37fe..26661ae 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -1,5 +1,6 @@
 require 'simplecov'
 SimpleCov.start
+require 'turn'
 require 'simple_oauth'
 require 'mocha'
 require 'test/unit'