From ed5a83301d1f6bab3ff03cb5009e903ce78540dd Mon Sep 17 00:00:00 2001
From: Kun Yang <10774721+ykun9@users.noreply.github.com>
Date: Sun, 10 Aug 2025 21:52:52 +0900
Subject: [PATCH] fix(type): lifespan is partially unknown (#1389)

Co-authored-by: Kun Yang <10774721+ykun91@users.noreply.github.com>
---
 src/fastmcp/server/http.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fastmcp/server/http.py b/src/fastmcp/server/http.py
index 1e0978d62..13c13ea73 100644
--- a/src/fastmcp/server/http.py
+++ b/src/fastmcp/server/http.py
@@ -72,7 +72,7 @@ _current_http_request: ContextVar[Request | None] = ContextVar(
 
 class StarletteWithLifespan(Starlette):
     @property
-    def lifespan(self) -> Lifespan:
+    def lifespan(self) -> Lifespan[Starlette]:
         return self.router.lifespan_context