diff --git a/govuk_document_types.gemspec b/govuk_document_types.gemspec
index dee4607..871bcee 100644
--- a/govuk_document_types.gemspec
+++ b/govuk_document_types.gemspec
@@ -25,5 +25,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "i18n-spec"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "rubocop-govuk", "4.12.0"
+  spec.add_development_dependency "rubocop-govuk", "4.13.0"
 end