Gemfile in gitlab-styles-9.0.0 vs Gemfile in gitlab-styles-9.1.0

@@ -3,11 +3,15 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in gitlab-rubocop.gemspec
 gemspec
 
+group :development do
+  gem "lefthook", require: false
+end
+
 group :test do
   # Pin these dependencies, otherwise a new rule could break the CI pipelines
-  gem 'rubocop', '1.36.0'
-  gem 'rubocop-rspec', '2.12.1'
+  gem 'rubocop', '1.38.0'
+  gem 'rubocop-rspec', '2.15.0'
   gem 'rspec-parameterized', '0.5.2', require: false
 end