Gemfile in docparser-0.2.3 vs Gemfile in docparser-0.3.0

- old
+ new

@@ -1,12 +1,13 @@
+# frozen_string_literal: true
+
 gemspec
 
 source 'https://rubygems.org'
 
 group :test do
-  gem 'minitest', '~> 5.4.1'
-  gem 'coveralls', require: false
+  gem 'minitest', '~> 5.14.0'
   gem 'rake'
-  gem 'rubocop', '~> 0.26.0'
-  gem 'simplecov', require: false
+  gem 'rubocop', '~> 0.81.0'
   gem 'simple_mock'
+  gem 'simplecov', require: false
 end