diff --git a/Dockerfile b/Dockerfile
index 92c8b6768..f82ed37e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # see https://pythonspeed.com/articles/alpine-docker-python/ for the reason we don't use alpine
-FROM python:3.9-slim
+FROM python:3.12.0b1-slim
 RUN apt-get update \
     && apt-get install -y --no-install-recommends git ssh socat wget curl libcairo2 python3-dev libffi-dev socat \
     && apt-get purge -y --auto-remove \