Gemfile in screengem-0.20.0 vs Gemfile in screengem-0.20.1

@@ -2,5 +2,15 @@
 
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in screengem.gemspec
 gemspec
+
+group :development do
+  gem "rake", "~> 13.0"
+  gem "rspec", "~> 3.12"
+  gem "rubocop", "~> 1.57"
+  gem "rubocop-performance", "~> 1.19"
+  gem "rubocop-rake", "~> 0.6"
+  gem "rubocop-rspec", "~> 2.24"
+  gem "simplecov", "~> 0.22"
+end