diff --git a/.github/workflows/ruby-ci.yml b/.github/workflows/ruby-ci.yml
index b345e3c..8bd3b70 100644
--- a/.github/workflows/ruby-ci.yml
+++ b/.github/workflows/ruby-ci.yml
@@ -15,9 +15,6 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-        gemfile:
-          - minitest5
-          - test_unit_gem
         ruby:
           - ruby-2.7
           - ruby-3.0
@@ -29,13 +26,9 @@ jobs:
           - jruby
           - truffleruby
         include:
-          - { os: ubuntu-latest, gemfile: minitest4, ruby: ruby-2.7 }
-          - { os: ubuntu-latest, gemfile: minitest4, ruby: ruby-4.0 }
-          - { os: macos-latest, gemfile: minitest5, ruby: ruby-2.7 }
-          - { os: macos-latest, gemfile: minitest5, ruby: ruby-4.0 }
+          - { os: macos-latest, ruby: ruby-2.7 }
+          - { os: macos-latest, ruby: ruby-4.0 }
     runs-on: ${{ matrix.os }}
-    env:
-      BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
       - name: Checkout
         uses: actions/checkout@v6
diff --git a/Gemfile b/Gemfile
index b568bdf..629ca21 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,8 @@ source "https://rubygems.org"
 
 gem "benchmark-ips"
 gem "coveralls", require: false
+gem "minitest", ">= 5"
+gem "test-unit"
 
 gem "allocation_stats" unless defined?(JRUBY_VERSION)
 
diff --git a/README.md b/README.md
index 141b27a..a18728f 100644
--- a/README.md
+++ b/README.md
@@ -124,16 +124,7 @@ CONTRIBUTING
 
 You can run all the tests with:
 
-    bundle exec rake tests
-
-You can also run tests selectively. For minitest 4 run:
-
-    bundle exec rake test:minitest4
-
-and the ones for minitest 5 with:
-
-    bundle exec rake test:minitest5
-
+    bundle exec rake test
 
 LICENSE
 =======
diff --git a/Rakefile b/Rakefile
index d58a1bf..172a66c 100755
--- a/Rakefile
+++ b/Rakefile
@@ -6,43 +6,17 @@ require "bundler/gem_tasks"
 require "rake/clean"
 require "rake/testtask"
 require "standard/rake"
+require "rbconfig"
 
 task default: [:test, "standard:fix"]
 
 Rake::TestTask.new do |t|
-  t.libs << "test"
-  t.libs << "lib"
   t.pattern = "test/*_test.rb"
 end
 
-desc "Run all tests and get merged test coverage"
-namespace :test do
-  Dir.glob("gemfiles/*.gemfile").each do |gemfile_path|
-    name = /gemfiles\/(.*).gemfile/.match(gemfile_path)[1]
-    desc "Run #{name} tests"
-    task name do |rake_task|
-      gemfile_name = rake_task.name.split(":").last
-      gemfile_path = "gemfiles/#{gemfile_name}.gemfile"
-      Bundler.with_original_env do
-        sh "BUNDLE_GEMFILE=#{gemfile_path} bundle exec rake"
-      end
-    end
-  end
-end
-
-desc "Run all tests and get merged test coverage"
-task :tests do
-  Dir.glob("gemfiles/*.gemfile").each do |gemfile_path|
-    Bundler.with_original_env do
-      sh "BUNDLE_GEMFILE=#{gemfile_path} bundle exec rake"
-    end
-  end
-  Coveralls.push!
-end
-
 desc "Run simple benchmarks"
 task :bench do
   current_commit = `git rev-parse HEAD`
   file_name = "benchmarks/#{Time.now.strftime "%Y%m%d"}-benchmark.log"
-  exec "echo -e 'Data for commit: #{current_commit}' > #{file_name} && ruby test/bench.rb >> #{file_name}"
+  exec "echo -e 'Data for commit: #{current_commit}' > #{file_name} && #{RbConfig.ruby} test/bench.rb >> #{file_name}"
 end
diff --git a/gemfiles/minitest4.gemfile b/gemfiles/minitest4.gemfile
deleted file mode 100644
index 5766db4..0000000
--- a/gemfiles/minitest4.gemfile
+++ /dev/null
@@ -1,10 +0,0 @@
-source "https://rubygems.org"
-
-gem "allocation_stats"
-gem "benchmark-ips"
-gem "coveralls", require: false
-gem "minitest", "~> 4"
-gem "mutex_m" if RUBY_VERSION >= "3.3"
-gem "logger" if RUBY_VERSION >= "3.4"
-
-gemspec path: "../"
diff --git a/gemfiles/minitest5.gemfile b/gemfiles/minitest5.gemfile
deleted file mode 100644
index e49f3a2..0000000
--- a/gemfiles/minitest5.gemfile
+++ /dev/null
@@ -1,10 +0,0 @@
-source "https://rubygems.org"
-
-gem "allocation_stats"
-gem "benchmark-ips"
-gem "coveralls", require: false
-gem "minitest", "~> 5"
-gem "mutex_m" if RUBY_VERSION >= "3.3"
-gem "logger" if RUBY_VERSION >= "3.4"
-
-gemspec path: "../"
diff --git a/gemfiles/test_unit_gem.gemfile b/gemfiles/test_unit_gem.gemfile
deleted file mode 100644
index 4400d06..0000000
--- a/gemfiles/test_unit_gem.gemfile
+++ /dev/null
@@ -1,10 +0,0 @@
-source "https://rubygems.org"
-
-gem "allocation_stats"
-gem "benchmark-ips"
-gem "coveralls", require: false
-gem "test-unit"
-gem "mutex_m" if RUBY_VERSION >= "3.3"
-gem "logger" if RUBY_VERSION >= "3.4"
-
-gemspec path: "../"
diff --git a/lib/m/executor.rb b/lib/m/executor.rb
index 66a2621..bcf21fd 100644
--- a/lib/m/executor.rb
+++ b/lib/m/executor.rb
@@ -1,4 +1,5 @@
 require_relative "runners/base"
+require_relative "runners/minitest_6"
 require_relative "runners/minitest_5"
 require_relative "runners/minitest_4"
 require_relative "runners/test_unit"
diff --git a/lib/m/frameworks.rb b/lib/m/frameworks.rb
index 72e46ad..077a593 100644
--- a/lib/m/frameworks.rb
+++ b/lib/m/frameworks.rb
@@ -8,12 +8,12 @@ def self.minitest_version_major
       end
     end
 
-    def self.minitest5?
-      minitest_version_major == "5"
+    def self.minitest6?
+      minitest_version_major == "6"
     end
 
-    def self.minitest4?
-      minitest_version_major == "4"
+    def self.minitest5?
+      minitest_version_major == "5"
     end
 
     def self.test_unit?
@@ -25,10 +25,10 @@ def self.framework_runner
     end
 
     def framework_runner
-      if minitest5?
+      if minitest6?
+        Runners::Minitest6.new
+      elsif minitest5?
         Runners::Minitest5.new
-      elsif minitest4?
-        Runners::Minitest4.new
       elsif test_unit?
         Runners::TestUnit.new
       else
@@ -38,12 +38,12 @@ def framework_runner
 
     private
 
-    def minitest5?
-      self.class.minitest5?
+    def minitest6?
+      self.class.minitest6?
     end
 
-    def minitest4?
-      self.class.minitest4?
+    def minitest5?
+      self.class.minitest5?
     end
 
     def test_unit?
diff --git a/lib/m/parser.rb b/lib/m/parser.rb
index 5adb8d7..b533c11 100644
--- a/lib/m/parser.rb
+++ b/lib/m/parser.rb
@@ -1,4 +1,5 @@
 require_relative "testable"
+require "rbconfig"
 
 module M
   class Parser
@@ -11,12 +12,12 @@ def parse
       # With no arguments,
       if argv.empty?
         # Just shell out to `rake test`.
-        exec "rake test"
+        exec "#{RbConfig.ruby} -S rake test"
       else
         parse_options! argv
 
         if argv.first.start_with? "--"
-          exec "rake test #{argv.join}"
+          exec "#{RbConfig.ruby} -S rake test #{argv.join}"
           exit 0
         else
           # Parse out ARGV, it should be coming in in a format like `test/test_file.rb:9:19`
diff --git a/lib/m/runners/minitest_6.rb b/lib/m/runners/minitest_6.rb
new file mode 100644
index 0000000..13781bd
--- /dev/null
+++ b/lib/m/runners/minitest_6.rb
@@ -0,0 +1,3 @@
+require_relative "minitest_5"
+
+M::Runners::Minitest6 = M::Runners::Minitest5
diff --git a/lib/m/test_method.rb b/lib/m/test_method.rb
index 8ceab2c..75b03e4 100644
--- a/lib/m/test_method.rb
+++ b/lib/m/test_method.rb
@@ -1,4 +1,4 @@
-require_relative "finish_line"  if RUBY_VERSION < "4"
+require_relative "finish_line" # if RUBY_VERSION < "4.1"
 
 module M
   ### Simple data structure for what a test method contains.
@@ -13,12 +13,14 @@ def self.create suite_class, test_method
       method = suite_class.instance_method test_method
 
       # Ruby can find the starting line for us, so pull that out of the array.
-      # Ruby 4.0+ can also provide the ending line.
-      start_line, end_line = method.source_location.values_at(1, 3)
+      # Ruby 4.1+ can also provide the ending line.
+      #start_line, end_line = method.source_location.values_at(1, 3)
+      start_line = method.source_location[1]
 
-      # Ruby < 4.0 can't find the end line. Use a Ripper-derived parser to
+      # Ruby < 4.1 can't find the end line. Use a Ripper-derived parser to
       # determine the ending line.
-      end_line ||= FinishLine.ending_line_for method
+      #end_line ||= FinishLine.ending_line_for method
+      end_line = FinishLine.ending_line_for method
 
       # Shove the given attributes into a new databag
       new test_method, start_line, end_line
diff --git a/test/active_support_test.rb b/test/active_support_test.rb
index f3ad041..ff8af97 100644
--- a/test/active_support_test.rb
+++ b/test/active_support_test.rb
@@ -1,4 +1,4 @@
-require "test_helper"
+require_relative "test_helper"
 
 class ActiveSupportTest < MTest
   def test_run_simple_test_by_line_number_with_absolute_path
diff --git a/test/allocations.rb b/test/allocations.rb
index e686db9..7a04118 100644
--- a/test/allocations.rb
+++ b/test/allocations.rb
@@ -1,5 +1,4 @@
-$LOAD_PATH.unshift "lib"
-require "m"
+require_relative "../lib/m"
 require "allocation_stats"
 
 def benchmark_allocations burn: 1, &block
@@ -16,6 +15,6 @@ def benchmark_allocations burn: 1, &block
 
 benchmark_allocations do
   10.times do
-    M::Runner.new(["test/examples/minitest_5_example_test.rb:19"]).run
+    M::Runner.new(["test/examples/minitest_5_or_6_example_test.rb:19"]).run
   end
 end
diff --git a/test/bench.rb b/test/bench.rb
index e140bb8..aadd2e3 100644
--- a/test/bench.rb
+++ b/test/bench.rb
@@ -1,35 +1,28 @@
 require "benchmark/ips"
+require "rbconfig"
 
 Benchmark.ips do |bench|
   bench.report("running m on a file that doesn't exist") do
-    `bundle exec ruby -Ilib ./bin/m failwhale 2>/dev/null`
+    `bundle exec #{RbConfig.ruby} -Ilib ./bin/m failwhale 2>/dev/null`
   end
 
   bench.report("running m on an empty file") do
-    `bundle exec ruby -Ilib ./bin/m test/examples/empty_example_test.rb 2>/dev/null`
+    `bundle exec #{RbConfig.ruby} -Ilib ./bin/m test/examples/empty_example_test.rb 2>/dev/null`
   end
 
-  bench.report("running m on an entire file with minitest4") do
-    `BUNDLE_GEMFILE=gemfiles/minitest4.gemfile bundle exec ruby -Ilib ./bin/m test/examples/minitest_4_example_test.rb 2>/dev/null`
-  end
-
-  bench.report("running m on an entire file with minitest5") do
-    `BUNDLE_GEMFILE=gemfiles/minitest5.gemfile bundle exec ruby -Ilib ./bin/m test/examples/minitest_5_example_test.rb 2>/dev/null`
+  bench.report("running m on an entire file with minitest") do
+    `bundle exec #{RbConfig.ruby} -Ilib ./bin/m test/examples/minitest_5_or_6_example_test.rb 2>/dev/null`
   end
 
   bench.report("running m on an entire file with test-unit gem") do
-    `BUNDLE_GEMFILE=gemfiles/test_unit_gem.gemfile bundle exec ruby -Ilib ./bin/m test/examples/test_unit_example_test.rb 2>/dev/null`
-  end
-
-  bench.report("running m on a specific test with minitest4") do
-    `BUNDLE_GEMFILE=gemfiles/minitest4.gemfile bundle exec ruby -Ilib ./bin/m test/examples/minitest_4_example_test.rb:19 2>/dev/null`
+    `bundle exec #{RbConfig.ruby} -Ilib ./bin/m test/examples/test_unit_example_test.rb 2>/dev/null`
   end
 
-  bench.report("running m on a specific test with minitest5") do
-    `BUNDLE_GEMFILE=gemfiles/minitest5.gemfile bundle exec ruby -Ilib ./bin/m test/examples/minitest_5_example_test.rb:19 2>/dev/null`
+  bench.report("running m on a specific test with minitest") do
+    `bundle exec #{RbConfig.ruby} -Ilib ./bin/m test/examples/minitest_5_or_6_example_test.rb:19 2>/dev/null`
   end
 
   bench.report("running m on a specific test with test-unit gem") do
-    `BUNDLE_GEMFILE=gemfiles/test_unit_gem.gemfile bundle exec ruby -Ilib ./bin/m test/examples/test_unit_example_test.rb:15 2>/dev/null`
+    `bundle exec #{RbConfig.ruby} -Ilib ./bin/m test/examples/test_unit_example_test.rb:15 2>/dev/null`
   end
 end
diff --git a/test/empty_test.rb b/test/empty_test.rb
index 3535875..19cbc1c 100644
--- a/test/empty_test.rb
+++ b/test/empty_test.rb
@@ -1,4 +1,4 @@
-require "test_helper"
+require_relative "test_helper"
 
 class EmptyTest < MTest
   def test_run_simple_test_by_line_number
diff --git a/test/everything_test.rb b/test/everything_test.rb
index 276dff2..dad8ca1 100644
--- a/test/everything_test.rb
+++ b/test/everything_test.rb
@@ -1,4 +1,4 @@
-require "test_helper"
+require_relative "test_helper"
 
 class EverythingTest < MTest
   def test_runs_entire_test_suite_with_no_arguments
diff --git a/test/examples/minitest_4_example_test.rb b/test/examples/minitest_4_example_test.rb
deleted file mode 100644
index ad26a43..0000000
--- a/test/examples/minitest_4_example_test.rb
+++ /dev/null
@@ -1,34 +0,0 @@
-require "minitest/unit"
-
-if M::Frameworks.minitest4?
-  class Meme
-    def i_can_has_cheezburger?
-      "OHAI!"
-    end
-
-    def will_it_blend?
-      "YES!"
-    end
-  end
-
-  class TestMeme < MiniTest::Unit::TestCase
-    def setup
-      @meme = Meme.new
-    end
-
-    def test_that_kitty_can_eat
-      assert_equal "OHAI!", @meme.i_can_has_cheezburger?
-    end
-
-    def test_that_it_will_not_blend
-      refute_match(/^maybe/i, @meme.will_it_blend?)
-      refute_match(/^no/i, @meme.will_it_blend?)
-      refute_match(/^lolz/i, @meme.will_it_blend?)
-    end
-
-    def test_that_kitty_can_eat_two_time
-      assert_equal "OHAI!", @meme.i_can_has_cheezburger?
-      assert_equal "OHAI!", @meme.i_can_has_cheezburger?
-    end
-  end
-end
diff --git a/test/examples/minitest_5_example_test.rb b/test/examples/minitest_5_or_6_example_test.rb
similarity index 93%
rename from test/examples/minitest_5_example_test.rb
rename to test/examples/minitest_5_or_6_example_test.rb
index 75b8b5e..fa3f458 100644
--- a/test/examples/minitest_5_example_test.rb
+++ b/test/examples/minitest_5_or_6_example_test.rb
@@ -1,6 +1,6 @@
 require "minitest/autorun"
 
-if M::Frameworks.minitest5?
+if M::Frameworks.minitest5? || M::Frameworks.minitest6?
   class Meme
     def i_can_has_cheezburger?
       "OHAI!"
diff --git a/test/examples/minitest_example_test.rb b/test/examples/minitest_example_test.rb
index 7049923..2e54030 100644
--- a/test/examples/minitest_example_test.rb
+++ b/test/examples/minitest_example_test.rb
@@ -1,4 +1,4 @@
-require "minitest/unit"
+require "minitest"
 
 class Meme
   def i_can_has_cheezburger?
@@ -10,9 +10,7 @@ def will_it_blend?
   end
 end
 
-Test = M::Frameworks.minitest4? ? MiniTest::Unit::TestCase : Minitest::Test
-
-class TestMeme < Test
+class TestMeme < Minitest::Test
   def setup
     @meme = Meme.new
   end
diff --git a/test/exit_codes_test.rb b/test/exit_codes_test.rb
index 73db1e9..76fe7c8 100644
--- a/test/exit_codes_test.rb
+++ b/test/exit_codes_test.rb
@@ -1,4 +1,4 @@
-require "test_helper"
+require_relative "test_helper"
 
 class ExitCodesTest < MTest
   def test_failing_test_returns_1
diff --git a/test/minitest_4_test.rb b/test/minitest_4_test.rb
deleted file mode 100644
index d4c215c..0000000
--- a/test/minitest_4_test.rb
+++ /dev/null
@@ -1,44 +0,0 @@
-require "test_helper"
-
-if M::Frameworks.minitest4?
-  class Minitest4Test < MTest
-    def test_run_simple_test_by_line_number_with_absolute_path
-      output = m File.join(__dir__, "examples/minitest_4_example_test.rb:19")
-      assert_output(/1 tests, 1 assertions/, output)
-    end
-
-    def test_run_simple_test_by_line_number
-      output = m "examples/minitest_4_example_test.rb:19"
-      assert_output(/1 tests, 1 assertions/, output)
-    end
-
-    def test_runs_entire_test_without_line_number
-      output = m "examples/minitest_4_example_test.rb"
-      assert_output(/3 tests/, output)
-    end
-
-    def test_run_inside_of_test
-      output = m "examples/minitest_4_example_test.rb:20"
-      assert_output(/1 tests, 1 assertions/, output)
-    end
-
-    def test_run_on_end_of_test
-      output = m "examples/minitest_4_example_test.rb:21"
-      assert_output(/1 tests, 1 assertions/, output)
-    end
-
-    def test_run_inside_big_test
-      output = m "examples/minitest_4_example_test.rb:26"
-      assert_output(/1 tests, 6 assertions/, output)
-    end
-
-    def test_run_on_blank_line
-      output = m "examples/minitest_4_example_test.rb:2"
-
-      assert !$?.success?
-      assert_match(/No tests found on line 2. Valid tests to run:/, output)
-      assert_match %r{    test_that_kitty_can_eat: m examples/minitest_4_example_test\.rb:19}, output
-      assert_match %r{test_that_it_will_not_blend: m examples/minitest_4_example_test\.rb:23}, output
-    end
-  end
-end
diff --git a/test/minitest_5_test.rb b/test/minitest_test.rb
similarity index 57%
rename from test/minitest_5_test.rb
rename to test/minitest_test.rb
index fa6b82c..a85ae61 100644
--- a/test/minitest_5_test.rb
+++ b/test/minitest_test.rb
@@ -1,47 +1,48 @@
-require "test_helper"
-if M::Frameworks.minitest5?
-  class Minitest5Test < MTest
+require_relative "test_helper"
+
+if M::Frameworks.minitest5? || M::Frameworks.minitest6?
+  class MinitestTest < MTest
     def test_run_simple_test_by_line_number_with_absolute_path
-      output = m File.join(__dir__, "examples/minitest_5_example_test.rb:19")
+      output = m File.join(__dir__, "examples/minitest_5_or_6_example_test.rb:19")
       assert_output(/1 runs, 1 assertions/, output)
     end
 
     def test_run_simple_test_by_line_number
-      output = m "examples/minitest_5_example_test.rb:19"
+      output = m "examples/minitest_5_or_6_example_test.rb:19"
       assert_output(/1 runs, 1 assertions/, output)
     end
 
     def test_runs_entire_test_without_line_number
-      output = m "examples/minitest_5_example_test.rb"
+      output = m "examples/minitest_5_or_6_example_test.rb"
       assert_output(/3 runs/, output)
     end
 
     def test_run_inside_of_test
-      output = m "examples/minitest_5_example_test.rb:20"
+      output = m "examples/minitest_5_or_6_example_test.rb:20"
       assert_output(/1 runs, 1 assertions/, output)
     end
 
     def test_run_on_end_of_test
-      output = m "examples/minitest_5_example_test.rb:21"
+      output = m "examples/minitest_5_or_6_example_test.rb:21"
       assert_output(/1 runs, 1 assertions/, output)
     end
 
     def test_run_inside_big_test
-      output = m "examples/minitest_5_example_test.rb:26"
+      output = m "examples/minitest_5_or_6_example_test.rb:26"
       assert_output(/1 runs, 6 assertions/, output)
     end
 
     def test_run_on_blank_line
-      output = m "examples/minitest_5_example_test.rb:3"
+      output = m "examples/minitest_5_or_6_example_test.rb:3"
 
       assert !$?.success?
       assert_match(/No tests found on line 3. Valid tests to run:/, output)
-      assert_match %r{    test_that_kitty_can_eat: m examples/minitest_5_example_test\.rb:19}, output
-      assert_match %r{test_that_it_will_not_blend: m examples/minitest_5_example_test\.rb:23}, output
+      assert_match %r{    test_that_kitty_can_eat: m examples/minitest_5_or_6_example_test\.rb:19}, output
+      assert_match %r{test_that_it_will_not_blend: m examples/minitest_5_or_6_example_test\.rb:23}, output
     end
 
     def test_run_with_after_run_block
-      output = m "examples/minitest_5_example_test.rb"
+      output = m "examples/minitest_5_or_6_example_test.rb"
 
       assert_output(/ran after run block/, output)
     end
diff --git a/test/multiple_test.rb b/test/multiple_test.rb
index 46bc32b..fba7c54 100644
--- a/test/multiple_test.rb
+++ b/test/multiple_test.rb
@@ -1,4 +1,4 @@
-require "test_helper"
+require_relative "test_helper"
 
 class MultipleTest < MTest
   def test_run_simple_test_by_line_number
diff --git a/test/options_test.rb b/test/options_test.rb
index b29f441..d2f5741 100644
--- a/test/options_test.rb
+++ b/test/options_test.rb
@@ -1,4 +1,4 @@
-require "test_helper"
+require_relative "test_helper"
 
 class OptionsTest < MTest
   def test_short_help_option
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 857318c..da69347 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -2,13 +2,14 @@
   require "coveralls"
   Coveralls.wear_merged!
 rescue LoadError
-  warn "gem 'coveralls' not available, proceeding without it"
 end
 
+require "rbconfig"
+
 module Testable
   def m arguments
     Dir.chdir "test" do
-      `ruby -I../lib  -I. ../bin/m #{arguments} 2>&1`.strip
+      `#{RbConfig.ruby} -I../lib  -I. ../bin/m #{arguments} 2>&1`.strip
     end
   end
 
@@ -23,7 +24,7 @@ def assert_output_for_failed_execution regexp, output
   end
 end
 
-require "m"
+require_relative "../lib/m"
 
 def try_loading gem
   require gem
@@ -31,8 +32,7 @@ def try_loading gem
   false
 end
 
-try_loading("test-unit") ||
-  try_loading("minitest/autorun") ||
+try_loading("minitest/autorun") ||
   try_loading("test/unit")
 
 if M::Frameworks.test_unit?
@@ -45,12 +45,8 @@ def try_loading gem
   class MTest < Test::Unit::TestCase
     include ::Testable
   end
-elsif M::Frameworks.minitest5?
-  class MTest < Minitest::Test
-    include ::Testable
-  end
 else
-  class MTest < MiniTest::Unit::TestCase
+  class MTest < Minitest::Test
     include ::Testable
   end
 end
diff --git a/test/test_unit_test.rb b/test/test_unit_test.rb
index 564df5e..62f87c0 100644
--- a/test/test_unit_test.rb
+++ b/test/test_unit_test.rb
@@ -1,4 +1,4 @@
-require "test_helper"
+require_relative "test_helper"
 
 if M::Frameworks.test_unit?
   class TestUnitTest < MTest