diff --git a/Gemfile b/Gemfile
index a8ff70a47..b8a9237b1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ gem 'mini_racer', '~> 0.4.0', platforms: :ruby
 gem 'therubyrhino', '>= 2.0', platforms: :jruby
 
 # Code Quality
-gem 'rubocop', '~> 1.18', require: false
+gem 'rubocop', '~> 1.47', require: false
 gem 'rubocop-performance', '~> 1.11', require: false
 gem 'simplecov', '~> 0.21', require: false
 
diff --git a/Gemfile.lock b/Gemfile.lock
index a85520b80..422f9083f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -131,6 +131,7 @@ GEM
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     interception (0.5)
+    json (2.6.3)
     kramdown (2.3.1)
       rexml
     lazy_priority_queue (0.1.1)
@@ -160,8 +161,8 @@ GEM
       padrino-support (= 0.14.4)
       tilt (>= 1.4.1, < 3)
     padrino-support (0.14.4)
-    parallel (1.20.1)
-    parser (3.0.2.0)
+    parallel (1.22.1)
+    parser (3.2.1.0)
       ast (~> 2.4.1)
     parslet (1.8.2)
     protobuf-cucumber (3.10.8)
@@ -185,13 +186,13 @@ GEM
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rainbow (3.0.0)
+    rainbow (3.1.1)
     rake (13.0.6)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.1)
-    regexp_parser (2.1.1)
+    regexp_parser (2.7.0)
     rexml (3.2.5)
     rgl (0.5.7)
       lazy_priority_queue (~> 0.1.0)
@@ -209,17 +210,18 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
     rspec-support (3.10.2)
-    rubocop (1.18.4)
+    rubocop (1.47.0)
+      json (~> 2.3)
       parallel (~> 1.10)
-      parser (>= 3.0.0.0)
+      parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
-      rexml
-      rubocop-ast (>= 1.8.0, < 2.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.26.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.8.0)
-      parser (>= 3.0.1.1)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.27.0)
+      parser (>= 3.2.1.0)
     rubocop-performance (1.11.4)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
@@ -259,7 +261,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (2.0.0)
+    unicode-display_width (2.4.2)
     webrick (1.7.0)
     xpath (3.2.0)
       nokogiri (~> 1.8)
@@ -288,7 +290,7 @@ DEPENDENCIES
   rake (~> 13.0)
   redcarpet (>= 3.1)
   rspec (~> 3.10)
-  rubocop (~> 1.18)
+  rubocop (~> 1.47)
   rubocop-performance (~> 1.11)
   rubydns (~> 2.0.2)
   sassc (~> 2.4)