diff --git a/Gemfile b/Gemfile
index a3bdbc5..da85a9f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ group :development do
   gem 'benchmark-ips'
   gem 'pry'
   gem 'pry-byebug'
-  gem 'rubocop-config', github: 'jgraichen/rubocop-config', tag: 'v13', require: false
+  gem 'rubocop-config', github: 'jgraichen/rubocop-config', tag: 'v14', require: false
 end
 
 group :test do
diff --git a/lib/rails/rfc6570/formatter.rb b/lib/rails/rfc6570/formatter.rb
index a509c9a..23cde98 100644
--- a/lib/rails/rfc6570/formatter.rb
+++ b/lib/rails/rfc6570/formatter.rb
@@ -21,7 +21,7 @@ def evaluate(ctx:, ignore: %w[format], **kwargs)
 
           if controller.present? && action.present?
             params = ::Rails::RFC6570.params_for(controller, action)
-            parts << ("{?#{params.join(',')}}") if params&.any?
+            parts << "{?#{params.join(',')}}" if params&.any?
           end
         end