diff --git a/changelog.md b/changelog.md
index f585f4e15b10b..0f3588c063d36 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,8 +1,9 @@
 # v1.6.x - yyyy-mm-dd
 
 
-
 ## Standard library additions and changes
+-  `json` now supports parsing uint64 values > int64.high (via a new JUInt kind),
+   and values beyond the range of int64/uint64 are now parsed as a new JNumber kind.