Gemfile in conversejs-3.5.0 vs Gemfile in conversejs-3.6.0

@@ -4,5 +4,21 @@
 
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in conversejs.gemspec
 gemspec
+
+# Development dependencies
+gem 'appraisal', '~> 2.4'
+gem 'bundler', '~> 2.3'
+gem 'countless', '~> 1.1'
+gem 'guard-rspec', '~> 4.7'
+gem 'rails', '>= 5.2'
+gem 'rake', '~> 13.0'
+gem 'rspec', '~> 3.12'
+gem 'rspec-rails', '~> 5.1'
+gem 'rubocop', '~> 1.28'
+gem 'rubocop-rails', '~> 2.14'
+gem 'rubocop-rspec', '~> 2.10'
+gem 'simplecov', '>= 0.22'
+gem 'yard', '>= 0.9.28'
+gem 'yard-activesupport-concern', '>= 0.0.1'