diff --git a/doc/TODO b/doc/TODO
index 4c3bcd963..8670e0df3 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -61,3 +61,4 @@ o Think about intermediate firewalls dropping EDNS UDP & handling that.
 o library add convenience functions for A, AAAA, PTR, getaddrinfo, libresolve.
 o library add function to get signature data (or whole reply message).
 o library add function to validate input from app that is signed.
+o add dynamic-update requests (making a dynupd request) to libunbound api.