diff --git a/test/test_helper.rb b/test/test_helper.rb
index 935ff98b71dd99b024b896bd238c8ce16245fba8..f1c79e6221eb554a4b96a8b5b3ad7329667d81f8 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,9 +1,19 @@
 # frozen_string_literal: true
 
+require "minitest"
 require "minitest/autorun"
+
+## See here: https://github.com/freerange/mocha/issues/614
+## Minitest changed the casing an eternity ago, but
+## rantly 2.0.0 (the version that Bundle fetches for Ruby 3.1.2)
+## still uses the old casing
+MiniTest = Minitest unless defined?(MiniTest)
+
+
 require "rantly/minitest_extensions"
 require "webmock/minitest"
 begin
+	require "minitest/unit"
 	require "pry-rescue/minitest"
 	require "pry-reload"
 rescue LoadError