diff --git a/src/Client/TelegraphResponse.php b/src/Client/TelegraphResponse.php
index c4985f55..b02e9447 100644
--- a/src/Client/TelegraphResponse.php
+++ b/src/Client/TelegraphResponse.php
@@ -31,7 +31,7 @@ public function telegraphMessageId(): int|null
         return (int) $this->json('result.message_id');
     }
 
-    public function dump(?string $key = null): static
+    public function dump(mixed $key = null): static
     {
         dump($this->json($key));
 
@@ -41,7 +41,7 @@ public function dump(?string $key = null): static
     /**
      * @return never-returns
      */
-    public function dd(?string $key = null): void
+    public function dd(mixed $key = null): void
     {
         dd($this->json($key));
     }