diff --git a/test/helper.rb b/test/helper.rb
index 6ea3433..e0b1f26 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -25,7 +25,7 @@
   end
 end
 
-class TestCase < MiniTest::Unit::TestCase
+class TestCase < Minitest::Test
   extend BlockTestHelper
   include CustomAssertions
 end