diff --git a/Model/Address.php b/Model/Address.php
index df370c0..090dd35 100644
--- a/Model/Address.php
+++ b/Model/Address.php
@@ -151,6 +151,7 @@ public function toArray()
     /**
      * {@inheritdoc}
      */
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return $this->toArray();