diff --git a/lightrag/api/__init__.py b/lightrag/api/__init__.py
index 1e689c38..aae48894 100644
--- a/lightrag/api/__init__.py
+++ b/lightrag/api/__init__.py
@@ -1 +1 @@
-__api_version__ = "0256"
+__api_version__ = "0257"