diff --git a/Gemfile b/Gemfile
index f4566e4f7ab867c97c0a32b3ad922a712464ddc5..a39fe485e5d1af60a66dc5d76902e43b3a5ff234 100644
--- a/Gemfile
+++ b/Gemfile
@@ -135,7 +135,7 @@ group :development do
   gem 'letter_opener_web', '~> 1.3'
   gem 'memory_profiler'
   gem 'rubocop', '~> 0.76', require: false
-  gem 'rubocop-rails', '~> 2.3', require: false
+  gem 'rubocop-rails', '~> 2.4', require: false
   gem 'brakeman', '~> 4.7', require: false
   gem 'bundler-audit', '~> 0.6', require: false
 
diff --git a/Gemfile.lock b/Gemfile.lock
index d89dff4ea4093f07e3b7a9eafb9dfa37361d9222..6dcf38473cdb0d5bd83112596a2f9bd6d28c123f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -565,7 +565,7 @@ GEM
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 1.7)
-    rubocop-rails (2.3.2)
+    rubocop-rails (2.4.0)
       rack (>= 1.1)
       rubocop (>= 0.72.0)
     ruby-progressbar (1.10.1)
@@ -779,7 +779,7 @@ DEPENDENCIES
   rspec-rails (~> 3.9)
   rspec-sidekiq (~> 3.0)
   rubocop (~> 0.76)
-  rubocop-rails (~> 2.3)
+  rubocop-rails (~> 2.4)
   ruby-progressbar (~> 1.10)
   sanitize (~> 5.1)
   sidekiq (~> 5.2)