diff --git a/Gemfile b/Gemfile
index 09ea337..664c658 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem 'appraisal'
 gem 'overcommit', '0.63.0'
 
 # Pin tool versions (which are executed by Overcommit) for CI builds
-gem 'rubocop', '1.63.3'
+gem 'rubocop', '1.63.4'
 gem 'rubocop-performance', '1.21.0'
 
 gem 'simplecov', '~> 0.22.0'