diff --git a/requirements.txt b/requirements.txt
index 02ef30c..97125a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # Pin major versions for reproducibility; use `pip install -r requirements.txt`
 
 # ── Web framework ─────────────────────────────────────────────────────────────
-fastapi==0.115.6
+fastapi==0.139.0
 uvicorn[standard]==0.51.0
 python-multipart==0.0.31