diff --git a/5.0/en/0x51-V51-OAuth2.md b/5.0/en/0x51-V51-OAuth2.md
index d2dd2790fa..951048f8ea 100644
--- a/5.0/en/0x51-V51-OAuth2.md
+++ b/5.0/en/0x51-V51-OAuth2.md
@@ -151,6 +151,7 @@ For OAuth-related requirements in ASVS following published and in draft status R
 * [RFC9207 OAuth 2.0 Authorization Server Issuer Identification](https://datatracker.ietf.org/doc/html/rfc9207)
 * [RFC9396 OAuth 2.0 Rich Authorization Requests](https://datatracker.ietf.org/doc/html/rfc9396)
 * [RFC9449 OAuth 2.0 Demonstrating Proof of Possession (DPoP)](https://datatracker.ietf.org/doc/html/rfc9449)
+* [RFC7591 OAuth 2.0 Dynamic Client Registration Protocol](https://datatracker.ietf.org/doc/html/rfc7591)
 * [draft OAuth 2.0 Security Best Current Practice](https://datatracker.ietf.org/doc/html/draft-ietf-oauth-security-topics)<!-- recheck on release -->
 * [draft OAuth 2.0 for Browser-Based Applications](https://datatracker.ietf.org/doc/html/draft-ietf-oauth-browser-based-apps)<!-- recheck on release -->
 * [draft The OAuth 2.1 Authorization Framework](https://datatracker.ietf.org/doc/html/draft-ietf-oauth-v2-1-11)<!-- recheck on release -->