diff --git a/github-auth.gemspec b/github-auth.gemspec
index d44a345..bc47f72 100644
--- a/github-auth.gemspec
+++ b/github-auth.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency 'bundler', '~> 1.3'
   spec.add_development_dependency 'rake'
-  spec.add_development_dependency 'rspec'
+  spec.add_development_dependency 'rspec', '~> 2.14'
   spec.add_development_dependency 'cane'
   spec.add_development_dependency 'cane-hashcheck'
   spec.add_development_dependency 'coveralls'
diff --git a/spec/unit/github/auth/keys_client_spec.rb b/spec/unit/github/auth/keys_client_spec.rb
index 7109432..ca21a01 100644
--- a/spec/unit/github/auth/keys_client_spec.rb
+++ b/spec/unit/github/auth/keys_client_spec.rb
@@ -6,11 +6,11 @@
   subject { described_class.new username: username }
 
   let(:username) { 'chrishunt' }
-  let(:http_client) { stub('HttpClient', get: response) }
+  let(:http_client) { double('HttpClient', get: response) }
   let(:response_code) { 200 }
   let(:parsed_response) { nil }
   let(:response) {
-    stub('HTTParty::Response', {
+    double('HTTParty::Response', {
       code: response_code,
       parsed_response: parsed_response
     })