diff --git a/rubocop-govuk.gemspec b/rubocop-govuk.gemspec
index ca8fb492..7162b9b9 100644
--- a/rubocop-govuk.gemspec
+++ b/rubocop-govuk.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "rake", "~> 13"
 
-  spec.add_dependency "rubocop", "0.87.1"
+  spec.add_dependency "rubocop", "1.0.0"
   spec.add_dependency "rubocop-ast", "0.8.0"
   spec.add_dependency "rubocop-rails", "2.8.1"
   spec.add_dependency "rubocop-rake", "0.5.1"