diff --git a/composer.json b/composer.json
index 9ad2fd4..1a06357 100644
--- a/composer.json
+++ b/composer.json
@@ -14,15 +14,15 @@
   ],
   "require": {
     "php": ">=8.1",
-    "doctrine/orm": "^2.6.3",
+    "doctrine/orm": "^2.6.3 || ^3.0.0",
     "symfony/property-access": "^5.4 || ^6.0 || ^7.0",
     "symfony/property-info": "^5.4 || ^6.0 || ^7.0",
     "symfony/serializer": "^5.4 || ^6.0 || ^7.0"
   },
   "require-dev": {
-    "doctrine/annotations": "^1.0",
+    "doctrine/annotations": "^1.0 || ^2.0.0",
     "doctrine/doctrine-bundle": "^1.12.13 || ^2.2",
-    "doctrine/dbal": "^2.7 || ^3.3",
+    "doctrine/dbal": "^2.7 || ^3.3 || ^4.0.0",
     "symfony/finder": "^5.4 || ^6.0 || ^7.0",
     "symfony/framework-bundle": "^5.4 || ^6.0 || ^7.0",
     "symfony/phpunit-bridge": "^6.0 || ^7.0",
diff --git a/src/Type/JsonDocumentType.php b/src/Type/JsonDocumentType.php
index c9c0ea7..76c4f06 100644
--- a/src/Type/JsonDocumentType.php
+++ b/src/Type/JsonDocumentType.php
@@ -105,7 +105,7 @@ public function convertToDatabaseValue($value, AbstractPlatform $platform): ?str
      *
      * @return mixed
      */
-    public function convertToPHPValue($value, AbstractPlatform $platform)
+    public function convertToPHPValue($value, AbstractPlatform $platform): mixed
     {
         if (null === $value || $value === '') {
             return null;