From e76efcfebf5ed66fd26a7dd2709b693c1bd7f4dc Mon Sep 17 00:00:00 2001
From: Brent Shaffer <betterbrent@google.com>
Date: Mon, 11 May 2026 12:04:17 -0700
Subject: [PATCH] chore: fix ReadmeTest

---
 tests/ReadmeTest.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/ReadmeTest.php b/tests/ReadmeTest.php
index aaa47858..29579f4d 100644
--- a/tests/ReadmeTest.php
+++ b/tests/ReadmeTest.php
@@ -150,8 +150,9 @@ public function testUsingCachedKeySets()
 
         $codeblock = $this->extractCodeBlock('Using Cached Key Sets');
 
+        $jwk = json_decode(file_get_contents('https://www.gstatic.com/iap/verify/public_key-jwk'), true);
         $privateKey = file_get_contents(__DIR__ . '/data/ecdsa256-private.pem');
-        $jwt = JWT::encode($this->payload, $privateKey, 'ES256', '_xiGEQ');
+        $jwt = JWT::encode($this->payload, $privateKey, 'ES256', $jwk['keys'][0]['kid']);
 
         $codeblock->replace('eyJhbGci...', $jwt);
         $codeblock->invoke();