diff --git a/doc/Changelog b/doc/Changelog
index d85daba25..ea58e7d66 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,6 +1,7 @@
 6 July 2018: Wouter
 	- Fix documentation ambiguity for tls-win-cert in tls-upstream and
 	  forward-tls-upstream docs.
+	- iana port update.
 
 4 July 2018: Wouter
 	- Fix #4112: Fix that unbound-anchor -f /etc/resolv.conf will not pass
diff --git a/util/iana_ports.inc b/util/iana_ports.inc
index b35cf7d29..91f97898c 100644
--- a/util/iana_ports.inc
+++ b/util/iana_ports.inc
@@ -4741,6 +4741,7 @@
 8020,
 8021,
 8022,
+8023,
 8025,
 8026,
 8032,