diff --git a/config/enabled.yml b/config/enabled.yml
index b708102..21fd313 100644
--- a/config/enabled.yml
+++ b/config/enabled.yml
@@ -1,3 +1,6 @@
+require:
+  - rubocop-performance
+
 AllCops:
   # .ruby-version の指定と合わせるため指定しない
   # TargetRubyVersion: ~
diff --git a/forkwell_cop.gemspec b/forkwell_cop.gemspec
index 4a1a5fa..5322042 100644
--- a/forkwell_cop.gemspec
+++ b/forkwell_cop.gemspec
@@ -17,7 +17,8 @@ Gem::Specification.new do |spec|
   spec.files         = `git ls-files -z`.split("\x0")
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'rubocop', '~> 0.56'
+  spec.add_dependency 'rubocop', '~> 0.68'
+  spec.add_dependency 'rubocop-performance', '~> 1.3.0'
   spec.add_development_dependency 'bundler', '~> 1.13'
   spec.add_development_dependency 'rake', '~> 10.0'
 end