Gemfile in raterr-0.1.1 vs Gemfile in raterr-0.1.2

@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in raterr.gemspec
 gemspec
+gem 'redis', '~> 4.0.0'
 gem 'byebug', require: false
 gem 'codecov', require: false, group: :test