diff --git a/Gemfile b/Gemfile
index 295e0a81..a7160dcd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -57,7 +57,7 @@ group :development do
   # Show mails via Web browser
   gem 'letter_opener_web', '~> 2.0'
   # Check code style
-  gem 'rubocop', '~> 1.50', require: false
+  gem 'rubocop', '~> 1.63', require: false
 end
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index ef55cf8e..db0ef8ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -252,7 +252,7 @@ GEM
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
     rspec-support (3.13.1)
-    rubocop (1.63.2)
+    rubocop (1.63.3)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -334,7 +334,7 @@ DEPENDENCIES
   rails (~> 6.1.7)
   rails-controller-testing (~> 1.0)
   rspec-rails (~> 6.0)
-  rubocop (~> 1.50)
+  rubocop (~> 1.63)
   sass-rails (~> 6.0)
   spring
   spring-watcher-listen (~> 2.1)