diff --git a/pyproject.toml b/pyproject.toml
index c11109f..2e001e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,6 +5,7 @@ dependencies = [
     "langchain==1.0",
     "langchain_community",
     "langchain-openai",
+    "langchain_mcp_adapters",
     "httpx[socks]",
     "dashscope",
     "python-dotenv>=1.0.0",