diff --git a/test/rdoc/test_rdoc_markdown_test.rb b/test/rdoc/test_rdoc_markdown_test.rb
index 8664ac45a0..6445fb5e65 100644
--- a/test/rdoc/test_rdoc_markdown_test.rb
+++ b/test/rdoc/test_rdoc_markdown_test.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'minitest/autorun'
+require 'minitest_helper'
 require 'pp'
 
 require 'rdoc'