diff --git a/llama-index-integrations/vector_stores/llama-index-vector-stores-elasticsearch/llama_index/vector_stores/elasticsearch/base.py b/llama-index-integrations/vector_stores/llama-index-vector-stores-elasticsearch/llama_index/vector_stores/elasticsearch/base.py
index 4a960906ed032..698be93df8bd1 100644
--- a/llama-index-integrations/vector_stores/llama-index-vector-stores-elasticsearch/llama_index/vector_stores/elasticsearch/base.py
+++ b/llama-index-integrations/vector_stores/llama-index-vector-stores-elasticsearch/llama_index/vector_stores/elasticsearch/base.py
@@ -215,6 +215,8 @@ def __init__(
         batch_size: int = 200,
         distance_strategy: Optional[DISTANCE_STRATEGIES] = "COSINE",
         retrieval_strategy: Optional[AsyncRetrievalStrategy] = None,
+        metadata_mappings: Optional[Dict[str, Dict[str, str]]] = None,
+        **kwargs,
     ) -> None:
         nest_asyncio.apply()
 
@@ -232,12 +234,15 @@ def __init__(
                 distance=DistanceMetric[distance_strategy]
             )
 
-        metadata_mappings = {
+        base_metadata_mappings = {
             "document_id": {"type": "keyword"},
             "doc_id": {"type": "keyword"},
             "ref_doc_id": {"type": "keyword"},
         }
 
+        metadata_mappings = metadata_mappings or {}
+        metadata_mappings.update(base_metadata_mappings)
+
         self._store = AsyncVectorStore(
             user_agent=get_user_agent(),
             client=es_client,
@@ -296,7 +301,11 @@ def add(
             BulkIndexError: If AsyncElasticsearch async_bulk indexing fails.
         """
         return asyncio.get_event_loop().run_until_complete(
-            self.async_add(nodes, create_index_if_not_exists=create_index_if_not_exists)
+            self.async_add(
+                nodes,
+                create_index_if_not_exists=create_index_if_not_exists,
+                **add_kwargs,
+            )
         )
 
     async def async_add(
diff --git a/llama-index-integrations/vector_stores/llama-index-vector-stores-elasticsearch/pyproject.toml b/llama-index-integrations/vector_stores/llama-index-vector-stores-elasticsearch/pyproject.toml
index 1f6f45f4ebf8b..d4d7a697ef149 100644
--- a/llama-index-integrations/vector_stores/llama-index-vector-stores-elasticsearch/pyproject.toml
+++ b/llama-index-integrations/vector_stores/llama-index-vector-stores-elasticsearch/pyproject.toml
@@ -27,7 +27,7 @@ exclude = ["**/BUILD"]
 license = "MIT"
 name = "llama-index-vector-stores-elasticsearch"
 readme = "README.md"
-version = "0.2.0"
+version = "0.2.1"
 
 [tool.poetry.dependencies]
 python = ">=3.8.1,<4.0"