diff --git a/CHANGES.md b/CHANGES.md
index f307367..6be641d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,7 +1,11 @@
+## v5.5.0 (2023-03-31)
+
+* add `Ipaddr` `of_octet` functions (#117, @ryangibb).
+
 ## v5.4.0 (2023-03-13)
 
 * Use Bytes.t for IPv6 addresses (#115 @verbosemode, fixes #16 @dsheets)
-* Also fixes V6.to_int64 (reported by @RyanGibb in #113)
+* Also fixes `V6.to_int64` (reported by @RyanGibb in #113)
 
 ## v5.3.1 (2022-07-04)