diff --git a/.rubocop.yml b/.rubocop.yml
index 8426f7f..e8b5e04 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -8,6 +8,7 @@ inherit_mode:
 AllCops:
   TargetRubyVersion: 2.4
   DisabledByDefault: true
+  NewCops: disable
   Exclude:
     - "examples/instrumentation.rb"
     - "gemfiles/**/*"
diff --git a/rack-attack.gemspec b/rack-attack.gemspec
index 69042f1..e1c12a0 100644
--- a/rack-attack.gemspec
+++ b/rack-attack.gemspec
@@ -37,7 +37,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "minitest-stub-const", "~> 0.6"
   s.add_development_dependency 'rack-test', "~> 1.0"
   s.add_development_dependency 'rake', "~> 13.0"
-  s.add_development_dependency "rubocop", "0.84.0"
+  s.add_development_dependency "rubocop", "0.89.1"
   s.add_development_dependency "rubocop-performance", "~> 1.5.0"
   s.add_development_dependency "timecop", "~> 0.9.1"