diff --git a/src/Bundle/ChillMainBundle/Repository/GroupCenterRepository.php b/src/Bundle/ChillMainBundle/Repository/GroupCenterRepository.php
index d0f5d8561..bbd92aa4e 100644
--- a/src/Bundle/ChillMainBundle/Repository/GroupCenterRepository.php
+++ b/src/Bundle/ChillMainBundle/Repository/GroupCenterRepository.php
@@ -14,9 +14,8 @@ namespace Chill\MainBundle\Repository;
 use Chill\MainBundle\Entity\GroupCenter;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\EntityRepository;
-use Doctrine\Persistence\ObjectRepository;
 
-final readonly class GroupCenterRepository implements ObjectRepository
+final readonly class GroupCenterRepository implements GroupCenterRepositoryInterface
 {
     private EntityRepository $repository;
 
diff --git a/src/Bundle/ChillMainBundle/Repository/GroupCenterRepositoryInterface.php b/src/Bundle/ChillMainBundle/Repository/GroupCenterRepositoryInterface.php
new file mode 100644
index 000000000..cd13b8cbe
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Repository/GroupCenterRepositoryInterface.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Repository;
+
+use Chill\MainBundle\Entity\GroupCenter;
+use Doctrine\Persistence\ObjectRepository;
+
+/**
+ * @extends ObjectRepository<GroupCenter>
+ */
+interface GroupCenterRepositoryInterface extends ObjectRepository
+{
+    public function find($id, $lockMode = null, $lockVersion = null): ?GroupCenter;
+
+    /**
+     * @return GroupCenter[]
+     */
+    public function findAll(): array;
+
+    /**
+     * @param mixed|null $limit
+     * @param mixed|null $offset
+     *
+     * @return GroupCenter[]
+     */
+    public function findBy(array $criteria, ?array $orderBy = null, $limit = null, $offset = null): array;
+
+    public function findOneBy(array $criteria, ?array $orderBy = null): ?GroupCenter;
+
+    public function getClassName();
+}