diff --git a/Tests/Traits/EntityManagerTraitTest.php b/Tests/Traits/EntityManagerTraitTest.php
index 2c046df..98484f5 100644
--- a/Tests/Traits/EntityManagerTraitTest.php
+++ b/Tests/Traits/EntityManagerTraitTest.php
@@ -24,7 +24,7 @@
 
 final class EntityManagerTraitTest extends TestCase
 {
-    private EntityManager|MockObject $entityManager;
+    private EntityManager&MockObject $entityManager;
     private DummyClass $dummyClass;
 
     protected function setUp(): void