diff --git a/tests/SpecTests/ClientSideEncryptionSpecTest.php b/tests/SpecTests/ClientSideEncryptionSpecTest.php
index 14700a9b3..b4d2986e2 100644
--- a/tests/SpecTests/ClientSideEncryptionSpecTest.php
+++ b/tests/SpecTests/ClientSideEncryptionSpecTest.php
@@ -116,6 +116,7 @@ class ClientSideEncryptionSpecTest extends FunctionalTestCase
         'timeoutMS: remaining timeoutMS applied to find to get keyvault data' => 'Not yet implemented (PHPC-1760)',
         'namedKMS: Automatically encrypt and decrypt with a named KMS provider' => 'Not yet implemented (PHPLIB-1328)',
         'fle2v2-Compact: Compact works' => 'Failing due to bug in libmongocrypt (LIBMONGOCRYPT-699)',
+        'keyCache: Insert with deterministic encryption, then find it' => 'Wait operation not supported (PHPLIB-1496)',
     ];
 
     private static string $specDir = __DIR__ . '/../specifications/source/client-side-encryption';
diff --git a/tests/specifications b/tests/specifications
index 11022ca4f..f321471ec 160000
--- a/tests/specifications
+++ b/tests/specifications
@@ -1 +1 @@
-Subproject commit 11022ca4f21377f00827918ebbdf5ea3dbdb7d4a
+Subproject commit f321471ecfc08680a10b8ca29bc826ecb1da5e3b