diff --git a/app/Repositories/UserRepository.php b/app/Repositories/UserRepository.php
index c41639a..50439d4 100644
--- a/app/Repositories/UserRepository.php
+++ b/app/Repositories/UserRepository.php
@@ -93,6 +93,7 @@ class UserRepository {
             'first_aid_permission' => $request->firstAidPermission,
             'bank_account_owner'  => $request->bankAccountOwner,
             'bank_account_iban'   => $request->bankAccountIban,
+            'birthday'            => $request->birthday,
         ]);
     }
 }