diff --git a/CHANGES b/CHANGES
index aaec78b58a..5598d6f373 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+6172.	[cleanup]	Refactor the loop manager and qp-trie code to remove
+			isc_qsbr and use liburcu instead. [GL #3936]
+
 6171.	[cleanup]	Remove the stack implementation added in change 6108:
 			we are using the liburcu concurrent data structures
 			instead. [GL !7920]