diff --git a/Gemfile b/Gemfile
index 8dc275fe..421df56e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -52,7 +52,7 @@ end
 group :development, :test do
   gem 'byebug'
   gem 'listen'
-  gem 'rubocop', '~> 1.27', require: false
+  gem 'rubocop', '~> 1.28', require: false
 end
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 8d70f7e0..b51010dd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -228,7 +228,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     ref (2.0.0)
-    regexp_parser (2.3.0)
+    regexp_parser (2.3.1)
     reverse_markdown (2.1.1)
       nokogiri
     rexml (3.2.5)
@@ -236,13 +236,13 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.11.0)
     rspec-support (3.11.0)
-    rubocop (1.27.0)
+    rubocop (1.28.2)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 1.16.0, < 2.0)
+      rubocop-ast (>= 1.17.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.17.0)
@@ -358,7 +358,7 @@ DEPENDENCIES
   rails-dom-testing (~> 2.0.0)
   rails_autolink
   rspec-expectations
-  rubocop (~> 1.27)
+  rubocop (~> 1.28)
   sanitize (~> 6.0)
   sassc-rails (~> 2.1.2)
   simplecov