diff --git a/auth.py b/auth.py
index be31d28..38b8f0a 100644
--- a/auth.py
+++ b/auth.py
@@ -9,7 +9,8 @@ from datetime import datetime
 
 from aiohttp import web
 from fido2.client import ClientData
-from fido2.server import Fido2Server, RelyingParty
+from fido2.server import Fido2Server
+from fido2.webauthn import PublicKeyCredentialRpEntity
 from fido2.ctap2 import AttestationObject, AuthenticatorData, \
 	AttestedCredentialData
 from fido2 import cbor
@@ -17,7 +18,7 @@ from fido2 import cbor
 import config
 
 routes = web.RouteTableDef()
-rp = RelyingParty(config.server_domain, 'Buckler')
+rp = PublicKeyCredentialRpEntity(config.server_domain, 'Buckler')
 server = Fido2Server(rp)
 
 def auth_required(func):