Gemfile in freno-client-0.8.1 vs Gemfile in freno-client-0.8.2

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 gemspec
 
 group :development do
@@ -7,8 +9,10 @@
 end
 
 group :test do
   gem "minitest", ">= 5"
   gem "mocha"
-  gem "rubocop", "~> 0.85.1", require: false
+  gem "rubocop", "~> 1.37", require: false
+  gem "rubocop-minitest", require: false
   gem "rubocop-performance", require: false
+  gem "rubocop-rake", require: false
 end