diff --git a/govuk_app_config.gemspec b/govuk_app_config.gemspec
index 8d59d85..2cd5225 100644
--- a/govuk_app_config.gemspec
+++ b/govuk_app_config.gemspec
@@ -39,7 +39,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec", "~> 3.10"
   spec.add_development_dependency "rspec-its", "~> 1.3"
-  spec.add_development_dependency "rubocop-govuk", "4.17.1"
+  spec.add_development_dependency "rubocop-govuk", "4.18.0"
   spec.add_development_dependency "simplecov"
   spec.add_development_dependency "webmock"
 end