diff --git a/Classes/Test/DoctrineTest.php b/Classes/Test/DoctrineTest.php
index def33b8..0b3078f 100644
--- a/Classes/Test/DoctrineTest.php
+++ b/Classes/Test/DoctrineTest.php
@@ -14,17 +14,16 @@
  * source code.
  */
 
-use Doctrine\Common\Persistence\ObjectManager as DoctrineObjectManager;
-use Doctrine\ORM\EntityManager as DoctrineEntityManager;
+use Doctrine\ORM\EntityManagerInterface;
 
 class DoctrineTest extends AbstractTest
 {
     /**
-     * @var DoctrineEntityManager
+     * @var EntityManagerInterface
      */
     private $entityManager;
 
-    public function injectEntityManager(DoctrineObjectManager $entityManager): void
+    public function injectEntityManager(EntityManagerInterface $entityManager): void
     {
         $this->entityManager = $entityManager;
     }