diff --git a/doc/Changelog b/doc/Changelog
index 573862d22..de3c7c22c 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -3,6 +3,7 @@
 	- trunk has 1.6.9 with fix and previous commits.
 	- patch for CVE-2017-15105: vulnerability in the processing of
 	  wildcard synthesized NSEC records.
+	- iana port update.
 
 4 January 2018: Ralph
 	- Copy query and correctly set flags on REFUSED answers when cache
diff --git a/util/iana_ports.inc b/util/iana_ports.inc
index 2307f6a02..9685f0014 100644
--- a/util/iana_ports.inc
+++ b/util/iana_ports.inc
@@ -4634,6 +4634,7 @@
 7402,
 7410,
 7411,
+7420,
 7421,
 7426,
 7427,