diff --git a/python/Dockerfile b/python/Dockerfile
index 618d96c..66fd951 100644
--- a/python/Dockerfile
+++ b/python/Dockerfile
@@ -4,7 +4,7 @@
 ### for a complete list of Dockerfiles for each tag/variant of this image
 ###
 
-FROM python:3.9.2
+FROM python:3.12.0a3
 
 # make Apt non-interactive
 RUN echo 'APT::Get::Assume-Yes "true";' > /etc/apt/apt.conf.d/90circleci \