diff --git a/lightrag/kg/__init__.py b/lightrag/kg/__init__.py
index bbddb285..b4ba0983 100644
--- a/lightrag/kg/__init__.py
+++ b/lightrag/kg/__init__.py
@@ -14,8 +14,8 @@ STORAGE_IMPLEMENTATIONS = {
             "NetworkXStorage",
             "Neo4JStorage",
             "PGGraphStorage",
+            "MongoGraphStorage",
             # "AGEStorage",
-            # "MongoGraphStorage",
             # "TiDBGraphStorage",
             # "GremlinStorage",
         ],