diff --git a/experimental/CHANGELOG.md b/experimental/CHANGELOG.md
index 0db63bb216a..f3c28c73a4b 100644
--- a/experimental/CHANGELOG.md
+++ b/experimental/CHANGELOG.md
@@ -23,6 +23,7 @@ All notable changes to experimental packages in this project will be documented
 ### :rocket: (Enhancement)
 
 * refactor(instr-http): use exported strings for semconv. [#4573](https://github.com/open-telemetry/opentelemetry-js/pull/4573/) @JamieDanielson
+* feat(api-events): added data field to the Event interface [4575](https://github.com/open-telemetry/opentelemetry-js/pull/4575)
 
 ### :bug: (Bug Fix)