diff --git a/Gemfile b/Gemfile
index 3787e6df5..be0f1127e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -146,7 +146,7 @@ group :development, :test do
   gem "rspec-rails", "~> 5.1" # rspec-rails is a testing framework for Rails 3+
   gem "rubocop", "~> 1.30", require: false # Automatic Ruby code style checking tool
   gem "rubocop-performance", "~> 1.14", require: false # A collection of RuboCop cops to check for performance optimizations in Ruby code
-  gem "rubocop-rails", "~> 2.14", require: false # Automatic Rails code style checking tool
+  gem "rubocop-rails", "~> 2.15", require: false # Automatic Rails code style checking tool
   gem "rubocop-rspec", "~> 2.11", require: false # Code style checking for RSpec files
   gem "sassc-rails", "~> 2.1.2" # Integrate SassC-Ruby into Rails
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 8cb8caf2f..ee8217485 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -754,7 +754,7 @@ GEM
     rubocop-performance (1.14.2)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rails (2.14.2)
+    rubocop-rails (2.15.0)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.7.0, < 2.0)
@@ -1068,7 +1068,7 @@ DEPENDENCIES
   rss (~> 0.2.9)
   rubocop (~> 1.30)
   rubocop-performance (~> 1.14)
-  rubocop-rails (~> 2.14)
+  rubocop-rails (~> 2.15)
   rubocop-rspec (~> 2.11)
   ruby-prof (~> 1.4)
   rubyzip (~> 2.3)
diff --git a/vendor/cache/rubocop-rails-2.14.2.gem b/vendor/cache/rubocop-rails-2.14.2.gem
deleted file mode 100644
index 83012f896..000000000
Binary files a/vendor/cache/rubocop-rails-2.14.2.gem and /dev/null differ
diff --git a/vendor/cache/rubocop-rails-2.15.0.gem b/vendor/cache/rubocop-rails-2.15.0.gem
new file mode 100644
index 000000000..dfbd4019e
Binary files /dev/null and b/vendor/cache/rubocop-rails-2.15.0.gem differ