diff --git a/backend/requirements.txt b/backend/requirements.txt
index 12f1750..236bd7d 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -30,7 +30,7 @@ minio==7.2.20
 python-magic==0.4.27
 
 # LangFlow AI Chat dependencies
-sse-starlette==3.3.4
+sse-starlette==3.4.1
 cryptography>=46.0.6
 pgqueuer==0.26.3