diff --git a/CHANGELOG.md b/CHANGELOG.md
index b92edd850..d5cba89c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Features
 ### Enhancements
 ### Bug Fixes
+Fix async actions are left in neural_sparse query ([438](https://github.com/opensearch-project/neural-search/pull/438))
 ### Infrastructure
 ### Documentation
 ### Maintenance