diff --git a/lita-tox.gemspec b/lita-tox.gemspec
index 55f985d..bed966c 100644
--- a/lita-tox.gemspec
+++ b/lita-tox.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency 'bundler',                    '~> 1.7'
   spec.add_development_dependency 'rake',                       '~> 10.0'
-  spec.add_development_dependency 'rubocop',                    '~> 0.31'
+  spec.add_development_dependency 'rubocop',                    '~> 0.49.1'
   spec.add_development_dependency 'rspec',                      '~> 3.3'
   spec.add_development_dependency 'simplecov',                  '~> 0.10'
   spec.add_development_dependency 'yard',                       '~> 0.8'