diff --git a/omniauth-smart.gemspec b/omniauth-smart.gemspec
index 89eb68f..d78a3a7 100644
--- a/omniauth-smart.gemspec
+++ b/omniauth-smart.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency "rspec", "~> 3.6"
   gem.add_development_dependency "webmock", "~> 3.0"
   gem.add_development_dependency "sinatra", "~> 2"
-  gem.add_development_dependency "rubocop", "~> 0.75.1"
+  gem.add_development_dependency "rubocop", "~> 0.93.0"
   gem.add_development_dependency "rubocop-rails_config", "0.7.3"
   gem.add_development_dependency "rubocop-performance", "~> 1.5.0"
   gem.add_development_dependency "bundler-audit", "~> 0.6.0"