diff --git a/README.md b/README.md
index 296401ec..d96248bf 100644
--- a/README.md
+++ b/README.md
@@ -446,6 +446,7 @@ _Libraries for caching data._
 _Libraries and software for indexing and performing search queries on data._
 
 - [elasticsearch](https://github.com/elastic/elasticsearch-py) - The official low-level Python client for [Elasticsearch](https://www.elastic.co/products/elasticsearch).
+- [opensearch-py](https://github.com/opensearch-project/opensearch-py) - The official low-level Python client for [OpenSearch](https://opensearch.org/).
 - [django-haystack](https://github.com/django-haystack/django-haystack) - Modular search for Django.
 
 ### Serialization