diff --git a/colorls.gemspec b/colorls.gemspec
index 92ae1ff..5e33e0a 100644
--- a/colorls.gemspec
+++ b/colorls.gemspec
@@ -77,7 +77,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rspec', '~> 3.7'
   spec.add_development_dependency 'rspec-its', '~> 1.2'
   spec.add_development_dependency 'rubocop', '~> 1.13.0'
-  spec.add_development_dependency 'rubocop-performance', '~> 1.10.1'
+  spec.add_development_dependency 'rubocop-performance', '~> 1.11.0'
   spec.add_development_dependency 'rubocop-rake', '~> 0.5'
   spec.add_development_dependency 'rubocop-rspec', '~> 2.0'
   spec.add_development_dependency 'rubygems-tasks', '~> 0'