diff --git a/Dockerfile b/Dockerfile
index bcb77e5..909bc8a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-slim
+FROM python:3.13.0a3-slim
 LABEL maintainer="Luke Tainton <luke@tainton.uk>"
 LABEL org.opencontainers.image.source="https://github.com/luketainton/roboluke-tasks"
 USER root