diff --git a/dropbox-api.gemspec b/dropbox-api.gemspec
index c614a29..5e02eae 100644
--- a/dropbox-api.gemspec
+++ b/dropbox-api.gemspec
@@ -22,6 +22,8 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rake', '10.1.0'
   s.add_development_dependency 'simplecov', '~> 0.8.2'
   s.add_development_dependency 'yajl-ruby', '~> 1.2.0'
+  s.add_development_dependency 'webmock', '~> 1.15.0'
+  s.add_development_dependency 'vcr', '~> 2.8.0'
 
   if RUBY_VERSION < "1.9"
     s.add_development_dependency 'ruby-debug19'