diff --git a/.rubocop.yml b/.rubocop.yml
index fa32676..dcb0c3d 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -7,7 +7,7 @@ AllCops:
   TargetRubyVersion: 2.6
   NewCops: enable
 
-Metrics/LineLength:
+Layout/LineLength:
   Max: 120
 
 Metrics/BlockLength:
diff --git a/Gemfile b/Gemfile
index deb1390..d5acdd4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,4 +3,11 @@
 source 'https://rubygems.org'
 gemspec
 
+gem 'bundler', '>= 1.16'
+gem 'codeclimate-test-reporter', '~> 1.0'
 gem 'pry'
+gem 'rake', '~> 12.3'
+gem 'rspec', '~> 3.8'
+gem 'rubocop', '~> 1.77.0'
+gem 'rubocop-rspec', '~> 2.0'
+gem 'simplecov', '~> 0.16.1', '!= 0.18.0', '!= 0.18.1', '!= 0.18.2', '!= 0.18.3', '!= 0.18.4', '!= 0.18.5', '!= 0.19.0', '!= 0.19.1' # rubocop:disable Metrics/LineLength
diff --git a/js_rails_routes.gemspec b/js_rails_routes.gemspec
index 4532098..b0a7127 100644
--- a/js_rails_routes.gemspec
+++ b/js_rails_routes.gemspec
@@ -17,12 +17,5 @@ Gem::Specification.new do |spec|
   spec.required_ruby_version = '>= 2.6.0'
 
   spec.add_dependency 'rails', '>= 6.0'
-  spec.add_development_dependency 'bundler', '>= 1.16'
-  spec.add_development_dependency 'codeclimate-test-reporter', '~> 1.0'
-  spec.add_development_dependency 'rake', '~> 12.3'
-  spec.add_development_dependency 'rspec', '~> 3.8'
-  spec.add_development_dependency 'rubocop', '~> 1.27.0'
-  spec.add_development_dependency 'rubocop-rspec', '~> 2.0'
-  spec.add_development_dependency 'simplecov', '~> 0.16.1', '!= 0.18.0', '!= 0.18.1', '!= 0.18.2', '!= 0.18.3', '!= 0.18.4', '!= 0.18.5', '!= 0.19.0', '!= 0.19.1' # rubocop:disable Metrics/LineLength
   spec.metadata['rubygems_mfa_required'] = 'true'
 end