diff --git a/fastapi_mcp/server.py b/fastapi_mcp/server.py
index bb751067..0cda7aa9 100644
--- a/fastapi_mcp/server.py
+++ b/fastapi_mcp/server.py
@@ -141,7 +141,7 @@ def setup_server(self) -> None:
         # Filter tools based on operation IDs and tags
         self.tools = self._filter_tools(all_tools, openapi_schema)
 
-        mcp_server: Server = Server(self.name, self.description)
+        mcp_server: Server = Server(name=self.name, instructions=self.description)
 
         @mcp_server.list_tools()
         async def handle_list_tools() -> List[types.Tool]:
diff --git a/pyproject.toml b/pyproject.toml
index 202e2c12..a1fe4bce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "fastapi>=0.100.0",
     "typer>=0.9.0",
     "rich>=13.0.0",
-    "mcp>=1.12.0",
+    "mcp>=1.12.0,<2.0.0",
     "pydantic>=2.0.0",
     "pydantic-settings>=2.5.2",
     "uvicorn>=0.20.0",