diff --git a/test/test_jsonpath.rb b/test/test_jsonpath.rb
index 80fa0bb..daad9f4 100644
--- a/test/test_jsonpath.rb
+++ b/test/test_jsonpath.rb
@@ -5,7 +5,7 @@
 require 'jsonpath'
 require 'json'
 
-class TestJsonpath < MiniTest::Unit::TestCase
+class TestJsonpath < Minitest::Unit::TestCase
   def setup
     @object = example_object
     @object2 = example_object
diff --git a/test/test_jsonpath_bin.rb b/test/test_jsonpath_bin.rb
index b812661..3136c25 100644
--- a/test/test_jsonpath_bin.rb
+++ b/test/test_jsonpath_bin.rb
@@ -4,7 +4,7 @@
 require 'phocus'
 require 'jsonpath'
 
-class TestJsonpathBin < MiniTest::Unit::TestCase
+class TestJsonpathBin < Minitest::Unit::TestCase
   def setup
     @runner = 'ruby -Ilib bin/jsonpath'
     @original_dir = Dir.pwd
diff --git a/test/test_readme.rb b/test/test_readme.rb
index ab5deb4..65be96e 100644
--- a/test/test_readme.rb
+++ b/test/test_readme.rb
@@ -5,7 +5,7 @@
 require 'jsonpath'
 require 'json'
 
-class TestJsonpathReadme < MiniTest::Unit::TestCase
+class TestJsonpathReadme < Minitest::Unit::TestCase
 
   def setup
     @json = <<-HERE_DOC