diff --git a/Dockerfile b/Dockerfile
index 132f279..9c6261d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ RUN npm run build
 
 # ── Stage 2: Python backend ────────────────────────────────────────────────────
 # python:3.12-slim, digest-pinned for reproducible builds (refresh: docker buildx imagetools inspect python:3.12-slim)
-FROM python:3.12-slim@sha256:423ed6ab25b1921a477529254bfeeabf5855151dc2c3141699a1bfc852199fbf
+FROM python:3.14-slim@sha256:cea0e6040540fb2b965b6e7fb5ffa00871e632eef63719f0ea54bca189ce14a6
 
 WORKDIR /app