diff --git a/CHANGES b/CHANGES
index f665c937c1..669b4a7e49 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+6220.	[func]		Deprecate the 'dialup' and 'heartbeat-interval'
+			options. [GL #3700]
+
 6219.	[bug]		Ignore 'max-zone-ttl' on 'dnssec-policy insecure'.
 			[GL #4032]
 
diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst
index 86014c6b92..f2f1844004 100644
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-current.rst
@@ -25,7 +25,8 @@ New Features
 Removed Features
 ~~~~~~~~~~~~~~~~
 
-- None.
+- The :any:`dialup` and :any:`heartbeat-interval` options have been
+  deprecated and will be removed in a future release. :gl:`#3700`
 
 Feature Changes
 ~~~~~~~~~~~~~~~