diff --git a/Dockerfile b/Dockerfile
index 6c423e74e29250c674ce17b61b6c8c79cd89470c..61fe1756721ec01ce060bc3db7b45eb594291065 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:buster-slim
+FROM python:3.12.7-bookworm
 LABEL maintainer="Tamas Gal <tgal@km3net.de>"
 
  ENV INSTALL_DIR /km3io