Gemfile in statesman-7.0.1 vs Gemfile in statesman-7.1.0

- old
+ new

@@ -12,7 +12,7 @@
 end
 # rubocop:enable Bundler/DuplicatedGem
 
 group :development do
   # test/unit is no longer bundled with Ruby 2.2, but required by Rails
-  gem "test-unit", "~> 3.0" if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("2.2.0")
+  gem "test-unit", "~> 3.3" if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("2.2.0")
 end