diff --git a/tests/Notification/NtfyTest.php b/tests/Notification/NtfyTest.php
index 876c356..71e9cb2 100644
--- a/tests/Notification/NtfyTest.php
+++ b/tests/Notification/NtfyTest.php
@@ -10,6 +10,7 @@ final class NtfyTest extends TestCase
 {
 
     private ?Ntfy $instance;
+    private object $client;
 
     protected function setUp(): void
     {