solidus_sample.gemspec in solidus_sample-3.1.9 vs solidus_sample.gemspec in solidus_sample-3.2.0.alpha

@@ -12,9 +12,11 @@
   s.author      = 'Solidus Team'
   s.email       = '[e-mail]'
   s.homepage    = 'http://solidus.io'
   s.license     = 'BSD-3-Clause'
 
+  s.metadata['rubygems_mfa_required'] = 'true'
+
   s.files = `git ls-files -z`.split("\x0").reject do |f|
     f.match(%r{^(spec|script)/})
   end
 
   s.required_ruby_version = '>= 2.5.0'