diff --git a/docs/advanced/document-store/index.md b/docs/advanced/document-store/index.md
index 4784eeca576..1ad55285770 100644
--- a/docs/advanced/document-store/index.md
+++ b/docs/advanced/document-store/index.md
@@ -11,6 +11,7 @@ elasticsearch
 weaviate
 redis
 milvus
+opensearch
 extend
 benchmark
 ```