diff --git a/requirements.txt b/requirements.txt
index 5e62f334..d4cea3a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 haystack-ai
 fastapi>=0.115.0,<0.137.0
 uvicorn[standard]>=0.30.0
-sse-starlette>=2.0.0
+sse-starlette>=3.4.6
 httpx>=0.27.0
 python-dotenv
 pypdf>=6.13.3