diff --git a/CHANGELOG.md b/CHANGELOG.md
index 292ee5107eb..9622cd6bc2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
 
+### Fixes
+
+- Fixed `UnknownArgumentValueParser` to not error on flag's absence
+
 ## [4.3.22] - 2023-08-17
 
 ### Features