diff --git a/UPGRADE.txt b/UPGRADE.txt
index 86751ad8b25ae464ed67162ebd1d3acef14ab6e0..eb96d653ff639b46ec6f641725aaff1460abe946 100644
--- a/UPGRADE.txt
+++ b/UPGRADE.txt
@@ -215,6 +215,9 @@ Functions:
   completely with the version 1.6 release so please take the time between
   releases to make any necessary changes
 
+* The QUEUEAGENTCOUNT() function has been deprecated in favor of
+  QUEUE_MEMBER_COUNT().
+
 The IAX2 channel:
 
 * The "mailboxdetail" option has been deprecated.  Previously, if this option