diff --git a/doc/arm/catz.inc.rst b/doc/arm/catz.inc.rst
index fec0759c3a..c22a6ff078 100644
--- a/doc/arm/catz.inc.rst
+++ b/doc/arm/catz.inc.rst
@@ -25,10 +25,7 @@ changes are immediately put into effect. Because the catalog zone is a
 normal DNS zone, these configuration changes can be propagated using the
 standard AXFR/IXFR zone transfer mechanism.
 
-Catalog zones' format and behavior are specified as an Internet draft
-for interoperability among DNS implementations. The
-latest revision of the DNS catalog zones draft can be found here:
-https://datatracker.ietf.org/doc/draft-toorop-dnsop-dns-catalog-zones/ .
+Catalog zones' format and behavior are specified as :rfc:`9432`.
 
 Principle of Operation
 ~~~~~~~~~~~~~~~~~~~~~~
diff --git a/doc/arm/general.rst b/doc/arm/general.rst
index 0f364dc9b0..09bcaa9725 100644
--- a/doc/arm/general.rst
+++ b/doc/arm/general.rst
@@ -306,6 +306,9 @@ November 2020.
 :rfc:`9103` - W. Toorop, S. Dickinson, S. Sahib, P. Aras, and A. Mankin.
 *DNS Zone Transfer over TLS.* August 2021. [#rfc9103]_
 
+:rfc:`9432` - P. van Dijk, L. Peltan, O. Sury, W. Toorop, C.R. Monshouwer,
+P. Thomassen, A. Sargsyan. *DNS Catalog Zones.* July 2023.
+
 :rfc:`9460` - B. Schwartz, M. Bishop and E. Nygren, *Service Binding and
 Parameter Specification via the DNS (SVCB and HTTPS Resource Records).*
 November 2023.