diff --git a/ORM/LoggingHydratorTrait.php b/ORM/LoggingHydratorTrait.php
index 80b68f1..8bc3ef0 100644
--- a/ORM/LoggingHydratorTrait.php
+++ b/ORM/LoggingHydratorTrait.php
@@ -33,9 +33,12 @@ trait LoggingHydratorTrait
      *
      * @return mixed[]
      */
-    public function hydrateAll(/* Result */$stmt, /*ResultSetMapping*/ $resultSetMapping, /*array*/ $hints = [])/*: Countable|array*/
+    public function hydrateAll(Result $stmt, ResultSetMapping $resultSetMapping, array $hints = []): mixed
     {
-        if ($logger = $this->_em->getConfiguration()->getHydrationLogger()) {
+        // For ORM 2.0 and 3.0 compatibility
+        $entityManager = isset($this->em) ? $this->em : $this->_em;
+
+        if ($logger = $entityManager->getConfiguration()->getHydrationLogger()) {
             $type = null;
 
             if ($this instanceof ObjectHydrator) {
diff --git a/composer.json b/composer.json
index 3bd6880..2daee73 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
     ],
     "require": {
         "php": ">=8.0",
-        "doctrine/orm": "^2.19",
+        "doctrine/orm": "^2.19|^3.0",
         "doctrine/doctrine-bundle": "^2.11",
         "symfony/framework-bundle": "^5.4|^6.0|^7.0",
         "symfony/twig-bundle": "^5.4|^6.0|^7.0",