Gemfile in invoca-utils-0.5.1 vs Gemfile in invoca-utils-0.6.0

@@ -5,9 +5,10 @@
 # Specify your gem's run time dependencies in invoca-utils.gemspec
 gemspec
 
 # Specify your gem's development and test dependencies below
 gem "appraisal",             "~> 2.4"
+gem "appraisal-matrix"
 gem "rake",                  "~> 13.0"
 gem "rspec",                 "~> 3.0"
 gem "rspec_junit_formatter", "~> 0.4"
 # minitest, which is a transitive dependency of activesupport,
 # version should support ruby 2.5 which is the minimum github pipeline targets