diff --git a/composer.json b/composer.json
index faf49db1..5b8e2a73 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
     },
     "require": {
         "php": "^8.1",
-        "phplist/core": "v5.0.0-alpha8",
+        "phplist/core": "dev-main",
         "friendsofsymfony/rest-bundle": "*",
         "symfony/test-pack": "^1.0",
         "symfony/process": "^6.4",
diff --git a/config/services/validators.yml b/config/services/validators.yml
index 0080f7ac..02a0b425 100644
--- a/config/services/validators.yml
+++ b/config/services/validators.yml
@@ -1,8 +1,8 @@
 services:
   PhpList\RestBundle\Common\Validator\RequestValidator:
-    autowire: true
-    autoconfigure: true
-    public: false
+    arguments:
+      $serializer: '@Symfony\Component\Serializer\Normalizer\ObjectNormalizer'
+      $validator: '@validator'
 
   PhpList\RestBundle\Identity\Validator\Constraint\UniqueEmailValidator:
     autowire: true
diff --git a/src/Identity/Request/CreateAdministratorRequest.php b/src/Identity/Request/CreateAdministratorRequest.php
index f69c70c0..da0f5f65 100644
--- a/src/Identity/Request/CreateAdministratorRequest.php
+++ b/src/Identity/Request/CreateAdministratorRequest.php
@@ -6,7 +6,6 @@
 
 use PhpList\Core\Domain\Identity\Model\Administrator;
 use PhpList\Core\Domain\Identity\Model\Dto\CreateAdministratorDto;
-use PhpList\Core\Domain\Identity\Model\PrivilegeFlag;
 use PhpList\RestBundle\Common\Request\RequestInterface;
 use PhpList\RestBundle\Identity\Validator\Constraint\UniqueEmail;
 use PhpList\RestBundle\Identity\Validator\Constraint\UniqueLoginName;
diff --git a/src/Messaging/OpenApi/SwaggerSchemasResponse.php b/src/Messaging/OpenApi/SwaggerSchemasResponse.php
index fe567c81..a14e9b58 100644
--- a/src/Messaging/OpenApi/SwaggerSchemasResponse.php
+++ b/src/Messaging/OpenApi/SwaggerSchemasResponse.php
@@ -70,11 +70,12 @@
             properties: [
                 new OA\Property(property: 'html_formated', type: 'boolean'),
                 new OA\Property(property: 'send_format', type: 'string', example: 'text', nullable: true),
-                new OA\Property(property: 'as_text', type: 'boolean', example: true),
-                new OA\Property(property: 'as_html', type: 'boolean'),
-                new OA\Property(property: 'as_pdf', type: 'boolean'),
-                new OA\Property(property: 'as_text_and_html', type: 'boolean'),
-                new OA\Property(property: 'as_text_and_pdf', type: 'boolean'),
+                new OA\Property(
+                    property: 'format_options',
+                    type: 'array',
+                    items: new OA\Items(type: 'string'),
+                    example: ['as_html', 'as_text'],
+                ),
             ],
             type: 'object'
         ),
diff --git a/tests/Integration/Identity/Controller/SessionControllerTest.php b/tests/Integration/Identity/Controller/SessionControllerTest.php
index 5f8b2b00..41f3298a 100644
--- a/tests/Integration/Identity/Controller/SessionControllerTest.php
+++ b/tests/Integration/Identity/Controller/SessionControllerTest.php
@@ -102,7 +102,7 @@ public function testPostSessionsWithInvalidCredentialsReturnsNotAuthorized()
 
         $loginName = 'john.doe';
         $password = 'a sandwich and a cup of coffee';
-        $jsonData = ['loginName' => $loginName, 'password' => $password];
+        $jsonData = ['login_name' => $loginName, 'password' => $password];
 
         $this->jsonRequest('post', '/api/v2/sessions', [], [], [], json_encode($jsonData));