diff --git a/sensu-plugins-haproxy.gemspec b/sensu-plugins-haproxy.gemspec
index c0599cc..777c359 100644
--- a/sensu-plugins-haproxy.gemspec
+++ b/sensu-plugins-haproxy.gemspec
@@ -40,6 +40,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rake',                      '~> 13.0'
   s.add_development_dependency 'redcarpet',                 '~> 3.2'
   s.add_development_dependency 'rspec',                     '~> 3.1'
-  s.add_development_dependency 'rubocop',                   '~> 0.80.1'
+  s.add_development_dependency 'rubocop',                   '~> 0.81.0'
   s.add_development_dependency 'yard',                      '~> 0.8'
 end