diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7565418..aaf8f0b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -63,7 +63,7 @@ jobs:
       matrix:
         dependencies: ['highest']
         php: [ '7.4', '8.0', '8.1', '8.2' ]
-        sf_version: [ '4.4.*', '5.4.*', '6.4.*', '7.0.*' ]
+        sf_version: [ '4.4.*', '5.4.*', '6.4.*', '7.1.*' ]
 #        include:
 #          - php: '7.4'
 #            sf_version: '4.4.*'
@@ -79,11 +79,11 @@ jobs:
           - php: '8.0'
             sf_version: '6.4.*'
           - php: '7.4'
-            sf_version: '7.0.*'
+            sf_version: '7.1.*'
           - php: '8.0'
-            sf_version: '7.0.*'
+            sf_version: '7.1.*'
           - php: '8.1'
-            sf_version: '7.0.*'
+            sf_version: '7.1.*'
     steps:
       - name: "Checkout code"
         uses: actions/checkout@v4
diff --git a/composer.json b/composer.json
index 830303a..d5bc181 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
   "require-dev": {
     "doctrine/annotations": "^1.11.1 || ^2.0",
     "doctrine/doctrine-bundle": "^2.3",
-    "doctrine/orm": "^2.8",
+    "doctrine/orm": "^2.8 || ^3.0",
     "fakerphp/faker": "^1.20",
     "friendsofphp/php-cs-fixer": "^3.0",
     "geocoder-php/algolia-places-provider": "^0.4",
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 864b650..373e04b 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -135,6 +135,16 @@ parameters:
 			count: 1
 			path: src/Doctrine/ORM/GeocoderListener.php
 
+		-
+			message: "#^Method Bazinga\\\\GeocoderBundle\\\\Mapping\\\\Driver\\\\AnnotationDriver\\:\\:getReflection\\(\\) return type with generic class ReflectionClass does not specify its types\\: T$#"
+			count: 1
+			path: src/Mapping/Driver/AnnotationDriver.php
+
+		-
+			message: "#^Method Bazinga\\\\GeocoderBundle\\\\Mapping\\\\Driver\\\\AttributeDriver\\:\\:getReflection\\(\\) return type with generic class ReflectionClass does not specify its types\\: T$#"
+			count: 1
+			path: src/Mapping/Driver/AttributeDriver.php
+
 		-
 			message: "#^Parameter \\#1 \\$text of method Geocoder\\\\Query\\\\GeocodeQuery\\:\\:withText\\(\\) expects string, string\\|null given\\.$#"
 			count: 1
diff --git a/src/Doctrine/ORM/GeocoderListener.php b/src/Doctrine/ORM/GeocoderListener.php
index 070d3a8..ef3a594 100644
--- a/src/Doctrine/ORM/GeocoderListener.php
+++ b/src/Doctrine/ORM/GeocoderListener.php
@@ -50,7 +50,7 @@ public function getSubscribedEvents(): array
      */
     public function onFlush(OnFlushEventArgs $args)
     {
-        $em = method_exists($args, 'getObjectManager') ? $args->getObjectManager() : $args->getEntityManager();
+        $em = method_exists($args, 'getEntityManager') ? $args->getEntityManager() : $args->getObjectManager();
         $uow = $em->getUnitOfWork();
 
         foreach ($uow->getScheduledEntityInsertions() as $entity) {
diff --git a/src/Mapping/Driver/AnnotationDriver.php b/src/Mapping/Driver/AnnotationDriver.php
index e2ae849..7108990 100644
--- a/src/Mapping/Driver/AnnotationDriver.php
+++ b/src/Mapping/Driver/AnnotationDriver.php
@@ -17,6 +17,7 @@
 use Bazinga\GeocoderBundle\Mapping\Exception;
 use Doctrine\Common\Annotations\Reader;
 use Doctrine\Common\Util\ClassUtils;
+use Doctrine\ORM\Proxy\DefaultProxyClassNameResolver;
 
 /**
  * @author Markus Bachmann <markus.bachmann@bachi.biz>
@@ -32,14 +33,14 @@ public function __construct(Reader $reader)
 
     public function isGeocodeable($object): bool
     {
-        $reflection = ClassUtils::newReflectionObject($object);
+        $reflection = self::getReflection($object);
 
         return (bool) $this->reader->getClassAnnotation($reflection, Annotations\Geocodeable::class);
     }
 
     public function loadMetadataFromObject($object)
     {
-        $reflection = ClassUtils::newReflectionObject($object);
+        $reflection = self::getReflection($object);
 
         if (!$annotation = $this->reader->getClassAnnotation($reflection, Annotations\Geocodeable::class)) {
             throw new Exception\MappingException(sprintf('The class %s is not geocodeable', get_class($object)));
@@ -74,4 +75,13 @@ public function loadMetadataFromObject($object)
 
         return $metadata;
     }
+
+    private static function getReflection(object $object): \ReflectionClass
+    {
+        if (class_exists(ClassUtils::class)) {
+            return ClassUtils::newReflectionObject($object);
+        }
+
+        return new \ReflectionClass(DefaultProxyClassNameResolver::getClass($object));
+    }
 }
diff --git a/src/Mapping/Driver/AttributeDriver.php b/src/Mapping/Driver/AttributeDriver.php
index 2b1cbaa..703b0ef 100644
--- a/src/Mapping/Driver/AttributeDriver.php
+++ b/src/Mapping/Driver/AttributeDriver.php
@@ -16,6 +16,7 @@
 use Bazinga\GeocoderBundle\Mapping\ClassMetadata;
 use Bazinga\GeocoderBundle\Mapping\Exception\MappingException;
 use Doctrine\Common\Util\ClassUtils;
+use Doctrine\ORM\Proxy\DefaultProxyClassNameResolver;
 
 /**
  * @author Pierre du Plessis <pdples@gmail.com>
@@ -28,7 +29,7 @@ public function isGeocodeable($object): bool
             return false;
         }
 
-        $reflection = ClassUtils::newReflectionObject($object);
+        $reflection = self::getReflection($object);
 
         return count($reflection->getAttributes(Annotations\Geocodeable::class)) > 0;
     }
@@ -42,7 +43,7 @@ public function loadMetadataFromObject($object): ClassMetadata
             throw new MappingException(sprintf('The class %s is not geocodeable', get_class($object)));
         }
 
-        $reflection = ClassUtils::newReflectionObject($object);
+        $reflection = self::getReflection($object);
 
         $attributes = $reflection->getAttributes(Annotations\Geocodeable::class);
 
@@ -79,4 +80,13 @@ public function loadMetadataFromObject($object): ClassMetadata
 
         return $metadata;
     }
+
+    private static function getReflection(object $object): \ReflectionClass
+    {
+        if (class_exists(ClassUtils::class)) {
+            return ClassUtils::newReflectionObject($object);
+        }
+
+        return new \ReflectionClass(DefaultProxyClassNameResolver::getClass($object));
+    }
 }