diff --git a/specification/keyvault/Security.KeyVault.Keys/tspconfig.yaml b/specification/keyvault/Security.KeyVault.Keys/tspconfig.yaml
index 39442b3bbfa2..1f28e3d58246 100644
--- a/specification/keyvault/Security.KeyVault.Keys/tspconfig.yaml
+++ b/specification/keyvault/Security.KeyVault.Keys/tspconfig.yaml
@@ -29,7 +29,7 @@ options:
     package-dir: "azure-security-keyvault-keys"
     namespace: "com.azure.security.keyvault.keys"
     models-subpackage: "implementation.models"
-    custom-types: "KeyCurveName,KeyExportEncryptionAlgorithm,KeyOperation,KeyRotationPolicyAction,KeyType,ReleaseKeyResult"
+    custom-types: "KeyAttestation,KeyCurveName,KeyExportEncryptionAlgorithm,KeyOperation,KeyRotationPolicyAction,KeyType,ReleaseKeyResult"
     custom-types-subpackage: "models"
     customization-class: "customizations/src/main/java/KeysCustomizations.java"
     generate-tests: false