diff --git a/pyproject.toml b/pyproject.toml
index 50a597ad..04b21fe8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ loguru = ">=0.6.0"
 httpx = ">=0.24.1"
 js2py = "^0.74"
 g4f = "0.0.3.0"
-langchain = "0.0.296"
+langchain = "0.0.300"
 nest_asyncio = "*"
 curl-cffi ="0.5.7"
 PyExecJS2="1.6.1"