diff --git a/backend/requirements.txt b/backend/requirements.txt
index 1b42b8e..0df3547 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,4 +1,4 @@
-fastapi>=0.115.0
+fastapi>=0.139.0
 uvicorn[standard]>=0.32.0
 httpx>=0.28.0
 pydantic>=2.10.0