Gemfile in timers-4.1.1 vs Gemfile in timers-4.1.2

@@ -1,6 +1,19 @@
-source 'https://rubygems.org'
+# frozen_string_literal: true
 
-gem 'coveralls', :require => false
+source "https://rubygems.org"
 
-# Specify your gem's dependencies in timers.gemspec
 gemspec
+
+group :development do
+  gem "pry", require: false
+end
+
+group :test do
+  gem "rspec", "~> 3", require: false
+  gem "rubocop", "0.45.0", require: false
+  gem "coveralls", require: false
+end
+
+group :development, :test do
+  gem "rake"
+end