diff --git a/Gemfile b/Gemfile
index 72be072..2667e46 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ gemspec
 gem "minitest", "~> 5.11"
 gem "minitest-rg", "~> 5.3"
 gem "rake", "~> 13.0"
-gem "rubocop", "1.65.1"
+gem "rubocop", "1.66.0"
 gem "rubocop-minitest", "0.36.0"
 gem "rubocop-packaging", "0.5.2"
 gem "rubocop-performance", "1.21.1"