diff --git a/backend/requirements.txt b/backend/requirements.txt
index f2a4e85..aa70fcb 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,4 +1,4 @@
-fastapi>=0.115,<1.0
+fastapi>=0.139.0,<1.0
 uvicorn[standard]>=0.34,<1.0
 aiosqlite>=0.22.1,<1.0
 aiosqlitepool>=1.0,<2.0