diff --git a/CHANGES b/CHANGES
index 74d4e5a2d2..f95ed64261 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+5007.	[cleanup]	Replace custom ISC boolean and integer data types
+			with C99 stdint.h and stdbool.h types. [GL #9]
+
 5006.	[cleanup]	Code preparing a delegation response was extracted from
 			query_delegation() and query_zone_delegation() into a
 			separate function in order to decrease code