diff --git a/test/test_helper.rb b/test/test_helper.rb
index 9c6042e..679f7ef 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,6 +1,4 @@
-require 'minitest/unit'
-
-MiniTest::Unit.autorun
+require 'minitest/autorun'
 
 class DefinedConstant
   def defined_method; end