diff --git a/test/literate/helper.rb b/test/literate/helper.rb
index 13a04abd..71452d58 100644
--- a/test/literate/helper.rb
+++ b/test/literate/helper.rb
@@ -8,7 +8,7 @@
 Slim::Engine.before :Pretty, Temple::Filters::Validator
 Slim::Engine.set_options tr: false, logic_less: false
 
-class MiniTest::Spec
+class Minitest::Spec
   def render(source, options = {}, &block)
     Slim::Template.new(options) { source }.render(self, &block)
   end