diff --git a/Gemfile b/Gemfile
index c7f6a766..f2410c08 100644
--- a/Gemfile
+++ b/Gemfile
@@ -179,6 +179,8 @@ group :test do
   # Extracted from RSpec 3 stub_model and mock_model
   gem 'rspec-activemodel-mocks'
   gem 'timecop'
+  # Mock external requests
+  gem 'webmock'
 end
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 8a6cc996..b4ef60a4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -130,6 +130,8 @@ GEM
       simplecov (>= 0.7)
       term-ansicolor
       thor
+    crack (0.4.2)
+      safe_yaml (~> 1.0.0)
     currencies (0.4.2)
     daemons (1.1.9)
     database_cleaner (1.3.0)
@@ -409,6 +411,7 @@ GEM
     ruby-openid (2.5.0)
     ruby-progressbar (1.7.5)
     rubyzip (1.0.0)
+    safe_yaml (1.0.4)
     sass (3.2.19)
     sass-rails (4.0.4)
       railties (>= 4.0.0, < 5.0)
@@ -464,6 +467,9 @@ GEM
       binding_of_caller (>= 0.7.2)
       railties (>= 4.0)
       sprockets-rails (>= 2.0, < 4.0)
+    webmock (1.20.4)
+      addressable (>= 2.3.6)
+      crack (>= 0.3.2)
     websocket-driver (0.3.3)
     whenever (0.9.2)
       activesupport (>= 2.3.4)
@@ -553,6 +559,7 @@ DEPENDENCIES
   turbolinks
   uglifier (>= 1.3.0)
   web-console (~> 2.0)
+  webmock
   whenever
 
 BUNDLED WITH
diff --git a/lib/tasks/factory_girl.rake b/lib/tasks/factory_girl.rake
index bccc1b66..b922b0ef 100644
--- a/lib/tasks/factory_girl.rake
+++ b/lib/tasks/factory_girl.rake
@@ -1,9 +1,12 @@
+require_relative '../../spec/support/external_request'
+
 namespace :factory_girl do
   desc "Verify that all FactoryGirl factories are valid"
   task lint: :environment do
     if Rails.env.test?
       begin
         DatabaseCleaner.start
+        mock_commercial_request
         FactoryGirl.lint
       ensure
         DatabaseCleaner.clean
diff --git a/spec/support/external_request.rb b/spec/support/external_request.rb
new file mode 100644
index 00000000..539fe701
--- /dev/null
+++ b/spec/support/external_request.rb
@@ -0,0 +1,29 @@
+# Mock external requests to youtube
+require 'webmock/rspec'
+WebMock.disable_net_connect!(allow_localhost: true)
+
+RSpec.configure do |config|
+  config.before(:each) do
+    mock_commercial_request
+  end
+end
+
+def mock_commercial_request
+  response = {
+    author_name: 'Confreaks',
+    html: '<iframe width=\'560\' height=\'315\' src=\'https://www.youtube.com/embed/BTTygyxuGj8?feature=oembed\' frameborder=\'0\' allowfullscreen></iframe>',
+    thumbnail_width: 480,
+    thumbnail_url: 'https://i.ytimg.com/vi/BTTygyxuGj8/hqdefault.jpg',
+    provider_name: 'YouTube',
+    width: 459,
+    type: 'video',
+    provider_url: 'http://www.youtube.com/',
+    version: '1.0',
+    thumbnail_height: 360,
+    title: 'RailsConf 2014 - Closing Keynote by Aaron Patterson',
+    author_url: 'https://www.youtube.com/user/Confreaks',
+    height: 344
+  }
+  WebMock.stub_request(:get, /.*youtube.*/).
+    to_return(status: 200, body: response.to_json, headers: {})
+end
diff --git a/spec/support/factory_girl.rb b/spec/support/factory_girl.rb
index 51f4037c..95d350ef 100644
--- a/spec/support/factory_girl.rb
+++ b/spec/support/factory_girl.rb
@@ -1,7 +1,12 @@
+require_relative 'external_request'
+
 RSpec.configure do |config|
 
   config.before(:suite) do
-    FactoryGirl.lint if CONFIG['factory_girl_lint']
+    if CONFIG['factory_girl_lint']
+      mock_commercial_request
+      FactoryGirl.lint
+    end
   end
 
 end