diff --git a/doc/Changelog b/doc/Changelog
index 0d8fafa43..2690971a4 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -4,6 +4,7 @@
 	  If you used to rely on the older default of port 443, you have
 	  to put a clause in unbound.conf for that.  The new value is likely
 	  going to be the standardised port number for this traffic.
+	- iana portlist update.
 
 6 October 2015: Wouter
 	- 1.5.5 release.
diff --git a/util/iana_ports.inc b/util/iana_ports.inc
index 64edf0b02..47496fc8d 100644
--- a/util/iana_ports.inc
+++ b/util/iana_ports.inc
@@ -660,6 +660,7 @@
 833,
 847,
 848,
+853,
 860,
 861,
 862,