diff --git a/types/webappsec-credential-management/index.d.ts b/types/webappsec-credential-management/index.d.ts
index b2bc6bc006..ad423eb940 100644
--- a/types/webappsec-credential-management/index.d.ts
+++ b/types/webappsec-credential-management/index.d.ts
@@ -1,7 +1,8 @@
-// Type definitions for non-npm package W3C (WebAppSec) Credential Management API Level 1, 0.3
+// Type definitions for non-npm package W3C (WebAppSec) Credential Management API Level 1, 0.4
 // Project: https://github.com/w3c/webappsec-credential-management
 // Definitions by: Iain McGinniss <https://github.com/iainmcgin>
 //                 Joao Peixoto <https://github.com/Hartimer>
+//                 Michael J. Currie <https://github.com/Basaingeal>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.7
 
@@ -444,7 +445,7 @@ type AuthenticatorAttachment = "platform" | "cross-platform";
 interface AuthenticatorSelectionCriteria {
     authenticatorAttachment?: AuthenticatorAttachment;
     requireResidentKey?: boolean;
-    requireUserVerification?: UserVerificationRequirement;
+    userVerification?: UserVerificationRequirement;
 }
 
 /**
diff --git a/types/webappsec-credential-management/webappsec-credential-management-tests.ts b/types/webappsec-credential-management/webappsec-credential-management-tests.ts
index ade1ecfa71..78dc73837b 100644
--- a/types/webappsec-credential-management/webappsec-credential-management-tests.ts
+++ b/types/webappsec-credential-management/webappsec-credential-management-tests.ts
@@ -296,29 +296,28 @@ function webauthnRegister() {
                 name: document.domain,
             },
             user: {
-                id: (new Uint8Array(1)).buffer,
+                id: new Uint8Array(1).buffer,
                 name: 'test user',
                 displayName: 'test user',
             },
             challenge,
-            pubKeyCredParams: [
-                { type: 'public-key', alg: -7 },
-            ],
+            pubKeyCredParams: [{ type: 'public-key', alg: -7 }],
             excludeCredentials: [
                 {
-                    id: (new Uint8Array(1)).buffer,
+                    id: new Uint8Array(1).buffer,
                     type: 'public-key',
-                    transports: ['ble', 'internal']
-                }
+                    transports: ['ble', 'internal'],
+                },
             ],
             timeout: 5000,
-            attestation: "direct",
+            attestation: 'direct',
             authenticatorSelection: {
-                requireUserVerification: "preferred",
+                userVerification: 'preferred',
+
                 requireResidentKey: false,
-                authenticatorAttachment: "platform"
+                authenticatorAttachment: 'platform',
             },
-        }
+        },
     });
 
     credPromise.then((cred) => {