diff --git a/README.md b/README.md
index 10f272d..7c0600e 100644
--- a/README.md
+++ b/README.md
@@ -184,7 +184,8 @@ composer require c0de8/matchmaker:dev-master
 ## PHPUnit
 
 This package expects (uses) PHPUnit Version 6.x.x. [Site](https://phpunit.de/)
- 
+
+(but PHPUnit Version 5.x.x also works)
   
 ## License
 
diff --git a/tests/C0DE8/KeyMatcherTest.php b/tests/C0DE8/MatchMaker/KeyMatcherTest.php
similarity index 100%
rename from tests/C0DE8/KeyMatcherTest.php
rename to tests/C0DE8/MatchMaker/KeyMatcherTest.php
diff --git a/tests/C0DE8/ManagerTest.php b/tests/C0DE8/MatchMaker/ManagerTest.php
similarity index 100%
rename from tests/C0DE8/ManagerTest.php
rename to tests/C0DE8/MatchMaker/ManagerTest.php
diff --git a/tests/C0DE8/MatcherTest.php b/tests/C0DE8/MatchMaker/MatcherTest.php
similarity index 100%
rename from tests/C0DE8/MatcherTest.php
rename to tests/C0DE8/MatchMaker/MatcherTest.php
diff --git a/tests/C0DE8/RulesTest.php b/tests/C0DE8/MatchMaker/RulesTest.php
similarity index 100%
rename from tests/C0DE8/RulesTest.php
rename to tests/C0DE8/MatchMaker/RulesTest.php