diff --git a/src/Storyblok/Response.php b/src/Storyblok/Response.php
index 9b063af..2bef5ae 100644
--- a/src/Storyblok/Response.php
+++ b/src/Storyblok/Response.php
@@ -6,11 +6,11 @@
 
 class Response
 {
-    public array $httpResponseBody;
+    public $httpResponseBody;
 
-    public ?int $httpResponseCode;
+    public $httpResponseCode;
 
-    public mixed $httpResponseHeaders;
+    public $httpResponseHeaders;
 
     public function getBody(): array
     {