diff --git a/cloudflare-rails.gemspec b/cloudflare-rails.gemspec
index 1409954..4b68df1 100644
--- a/cloudflare-rails.gemspec
+++ b/cloudflare-rails.gemspec
@@ -24,7 +24,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rake', '~> 13.2.1'
   spec.add_development_dependency 'rspec', '~> 3.13.0'
   spec.add_development_dependency 'rspec-rails', '~> 7.0.1'
-  spec.add_development_dependency 'rubocop', '~> 1.65.0'
+  spec.add_development_dependency 'rubocop', '~> 1.66.1'
   spec.add_development_dependency 'rubocop-performance', '~> 1.21.0'
   spec.add_development_dependency 'rubocop-rails', '~> 2.25.0'
   spec.add_development_dependency 'rubocop-rspec', '~> 3.0.1'