diff --git a/Gemfile b/Gemfile
index 029ef8f5427..e4624a7e28d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -282,6 +282,6 @@ unless ENV["APPLIANCE"]
 
   group :development, :test do
     gem "parallel_tests"
-    gem "rspec-rails", "~>3.9.0"
+    gem "rspec-rails", "~>4.0.1"
   end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 514ee645868..6962a977313 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -9,6 +9,7 @@
 ENV["RAILS_ENV"] ||= 'test'
 require File.expand_path("../../config/environment", __FILE__)
 require 'rspec/rails'
+require 'rspec/mocks'
 require 'vcr'
 require 'cgi'