diff --git a/demo/Dockerfile b/demo/Dockerfile
index 7cbbbc3..b1d9f3b 100644
--- a/demo/Dockerfile
+++ b/demo/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.14.7-slim@sha256:51dafde81dbdb6ebde285137a295cf18a47ca95234fe388a343719cb97305b3d
+FROM python:3.15.0-slim@sha256:f5b92f2a669a4c347044f29367f31983280b648250ca94dea66f98c53bc87e58
 WORKDIR /app
 COPY pyproject.toml .
 # uv is mounted for this one step only, so it never lands in the image.