diff --git a/Gemfile b/Gemfile
index fd433a2..0206763 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ end
 
 group :development, :test do
   gem 'rake'
-  gem 'rubocop', '~> 1.63.5', require: false
+  gem 'rubocop', '~> 1.64.0', require: false
   gem 'rubocop-minitest', require: false
   gem 'rubocop-rake', require: false
   gem 'simplecov', require: false