diff --git a/README.md b/README.md
index ce971291..549f27aa 100644
--- a/README.md
+++ b/README.md
@@ -399,7 +399,7 @@ in terms of performance and API (not having well defined errors).
 [spec-jws]: https://tools.ietf.org/html/rfc7515
 [spec-jwt]: https://tools.ietf.org/html/rfc7519
 [spec-okp]: https://tools.ietf.org/html/rfc8037
-[draft-secp256k1]: https://tools.ietf.org/html/draft-ietf-cose-webauthn-algorithms-03
+[draft-secp256k1]: https://tools.ietf.org/html/draft-ietf-cose-webauthn-algorithms-04
 [draft-ietf-oauth-access-token-jwt]: https://tools.ietf.org/html/draft-ietf-oauth-access-token-jwt
 [draft-jarm]: https://openid.net/specs/openid-financial-api-jarm.html
 [spec-thumbprint]: https://tools.ietf.org/html/rfc7638