diff --git a/src/Model/Metadata.php b/src/Model/Metadata.php
index 3591170..0519b06 100644
--- a/src/Model/Metadata.php
+++ b/src/Model/Metadata.php
@@ -46,6 +46,7 @@ public function offsetExists($offset): bool
      *
      * @return mixed
      */
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         $keys = explode('.', $offset);