diff --git a/backend/requirements.txt b/backend/requirements.txt
index 64aef7a2..cc908ac4 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,6 +1,6 @@
 --extra-index-url https://download.pytorch.org/whl/cpu
 fastapi==0.120.0
-httpx>=0.25.0
+httpx>=0.28.1
 uvicorn==0.34.0
 gunicorn==23.0.0
 python-multipart>=0.0.6