diff --git a/requirements.txt b/requirements.txt
index 85d6b73..63ae870 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ websockets>=15.0.1
 httpx>=0.28.1
 
 # ASGI Framework (for mounting sse_app)
-starlette>=0.40.0,<0.47.0
+starlette>=0.40.0,<0.52.0
 sse-starlette>=2.2.1
 
 colorlog>=6.9.0