Gemfile in txt_timesheet-1.1.11 vs Gemfile in txt_timesheet-1.1.12

@@ -1,7 +1,12 @@
-source "https://rubygems.org"
+# frozen_string_literal: true
 
+source 'https://rubygems.org'
+
 # Specify your gem's dependencies in txt_timesheet.gemspec
 gemspec
 
-gem "rake", "~> 12.0"
-gem "rspec", "~> 3.0"
+group :development do
+  gem 'rake'
+  gem 'rspec'
+  gem 'rubocop-rspec'
+end
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