diff --git a/Tests/Unit/Content/Domain/Model/ContentRichEntityTraitTest.php b/Tests/Unit/Content/Domain/Model/ContentRichEntityTraitTest.php
index 2f6f60cc..0a825c03 100644
--- a/Tests/Unit/Content/Domain/Model/ContentRichEntityTraitTest.php
+++ b/Tests/Unit/Content/Domain/Model/ContentRichEntityTraitTest.php
@@ -14,6 +14,7 @@
 namespace Sulu\Bundle\ContentBundle\Tests\Unit\Content\Domain\Model;
 
 use PHPUnit\Framework\TestCase;
+use Sulu\Bundle\ContentBundle\Content\Domain\Model\DimensionContentInterface;
 use Sulu\Bundle\ContentBundle\Tests\Application\ExampleTestBundle\Entity\Example;
 use Sulu\Bundle\ContentBundle\Tests\Application\ExampleTestBundle\Entity\ExampleDimensionContent;
 
@@ -22,7 +23,7 @@ class ContentRichEntityTraitTest extends TestCase
     protected function getContentRichEntityInstance(): Example
     {
         return new class() extends Example {
-            public function createDimensionContent(): ExampleDimensionContent
+            public function createDimensionContent(): DimensionContentInterface
             {
                 throw new \RuntimeException('Should not be called while executing tests.');
             }
diff --git a/composer.json b/composer.json
index b7e8c344..18ea8ebb 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "friendsofsymfony/rest-bundle": "^2.6 || ^3.0",
         "massive/search-bundle": "^2.4",
         "ramsey/uuid": "^3.8 || ^4.0",
-        "sulu/sulu": "^2.1 || ^2.6@dev",
+        "sulu/sulu": "^2.4 || ^2.6@dev",
         "symfony/config": "^4.4 || ^5.4 || ^6.0",
         "symfony/dependency-injection": "^4.4 || ^5.4 || ^6.0",
         "symfony/event-dispatcher": "^4.4 || ^5.4 || ^6.0",