diff --git a/doc/Changelog b/doc/Changelog
index 67ee0606c..d73b74d8d 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,6 +1,7 @@
 15 December 2017: Wouter
 	- Fix timestamp failure because of clang optimizer failure, by
 	  disabling -O2 when the compiler --version is clang.
+	- iana port update.
 
 12 December 2017: Ralph
 	- Fix qname-minimisation documentation (A QTYPE, not NS)
diff --git a/util/iana_ports.inc b/util/iana_ports.inc
index 02766e17f..2307f6a02 100644
--- a/util/iana_ports.inc
+++ b/util/iana_ports.inc
@@ -5391,6 +5391,7 @@
 33331,
 33334,
 33434,
+33435,
 33656,
 34249,
 34378,