diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0abcf5fb1d..479d99d6567 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 - Improve `go.opentelemetry.io/otel/trace.TraceState`'s performance. (#4722)
 - Improve `go.opentelemetry.io/otel/propagation.TraceContext`'s performance. (#4721)
+- Improve `go.opentelemetry.io/otel/baggage.NewMember`'s performance. (#4743)
 
 ## [1.21.0/0.44.0] 2023-11-16