diff --git a/lightrag/api/__init__.py b/lightrag/api/__init__.py
index 9960fd5d..c1d3678b 100644
--- a/lightrag/api/__init__.py
+++ b/lightrag/api/__init__.py
@@ -1 +1 @@
-__api_version__ = "0220"
+__api_version__ = "0221"