diff --git a/Gemfile b/Gemfile
index bc4f2213..06848fa6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ gem 'mini_racer', '~> 0.3.1', platforms: :ruby
 gem 'therubyrhino', '>= 2.0', platforms: :jruby
 
 # Code Quality
-gem 'rubocop', '~> 0.89', require: false
+gem 'rubocop', '~> 0.90', require: false
 gem 'rubocop-performance', '~> 1.7', require: false
 gem 'simplecov', '~> 0.19', require: false
 
diff --git a/Gemfile.lock b/Gemfile.lock
index e893c38d..61c5d837 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -202,7 +202,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.3)
-    rubocop (0.89.1)
+    rubocop (0.90.0)
       parallel (~> 1.10)
       parser (>= 2.7.1.1)
       rainbow (>= 2.2.2, < 4.0)
@@ -274,7 +274,7 @@ DEPENDENCIES
   rake (~> 13.0)
   redcarpet (>= 3.1)
   rspec (~> 3.0)
-  rubocop (~> 0.89)
+  rubocop (~> 0.90)
   rubocop-performance (~> 1.7)
   rubydns (~> 2.0.2)
   sassc (~> 2.4)