diff --git a/Dockerfile b/Dockerfile
index 5f22b10..0ccc51c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@
 # wrappers are COMMITTED to git (dash_mui_charts/*.min.js + *.py), so
 # `pip install .` works without npm. TRADE-OFF: changes under src/lib require
 # a local `npm run build` and committing the regenerated artifacts.
-FROM python:3.11-slim
+FROM python:3.14-slim
 
 # Block-buffered stdout never reaches platform logs through gunicorn —
 # boot diagnostics (traffic reporter state, bulletin state, dependency