diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60ce037b..1a0858ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Update pretrained_models_all_versions.json (2023-09-08 13:14:07) by @dhrubo-os ([#277](https://github.com/opensearch-project/opensearch-py-ml/pull/277))
 - Update model upload history -  sentence-transformers/distiluse-base-multilingual-cased-v1 (v.1.0.1)(TORCH_SCRIPT) by @dhrubo-os ([#281](https://github.com/opensearch-project/opensearch-py-ml/pull/281))
 - Update pretrained_models_all_versions.json (2023-09-14 10:28:41) by @dhrubo-os ([#282](https://github.com/opensearch-project/opensearch-py-ml/pull/282))
+Enable the model upload workflow to add model_content_size_in_bytes & model_content_hash_value to model config automatically @thanawan-atc ([#291](https://github.com/opensearch-project/opensearch-py-ml/pull/291))
 
 ### Fixed
 - Enable make_model_config_json to add model description to model config file by @thanawan-atc in ([#203](https://github.com/opensearch-project/opensearch-py-ml/pull/203))