Gemfile in maven-tools-1.2.0

- old
+ new

@@ -8,10 +8,10 @@
   gem 'cucumber',        '2.13.0'
 end
 
 gem 'copyright-header', '1.0.3', :group => [:development, :test]
 
-gem 'minitest', '0.5.3', :group => :test
+gem 'minitest', '5.3.3', :group => :test
 
 gem 'virtus', '1.0.2', :groups => :test
 
 # vim: syntax=Ruby