diff --git a/Rakefile b/Rakefile
index 7e9ea69..2d83557 100644
--- a/Rakefile
+++ b/Rakefile
@@ -7,6 +7,8 @@ RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.pattern = FileList['spec/**/*_spec.rb']
 end
 
-RuboCop::RakeTask.new(:rubocop)
+RuboCop::RakeTask.new(:rubocop) do |t|
+  t.patterns = ['lib/**/*.rb', 'spec/**/*.rb', 'Rakefile', 'Gemfile', 'grape_logging.gemspec']
+end
 
 task default: %i[spec rubocop]