diff --git a/gemfiles/mongoid_24.gemfile b/gemfiles/mongoid_24.gemfile
index d8f41da..a77d995 100644
--- a/gemfiles/mongoid_24.gemfile
+++ b/gemfiles/mongoid_24.gemfile
@@ -14,7 +14,7 @@ gem 'database_cleaner', '< 1.0.0'
 platforms :rbx do
   gem 'rubysl', '~> 2.0'
   gem 'racc'
-  gem 'rubysl-test-unit'
+  gem 'minitest'
   gem 'rubinius-developer_tools'
 end