diff --git a/sros/docker/Dockerfile b/sros/docker/Dockerfile
index 95eac44a..8f3f415a 100644
--- a/sros/docker/Dockerfile
+++ b/sros/docker/Dockerfile
@@ -1,13 +1,11 @@
-FROM ubuntu:20.04
+FROM debian:bookworm-slim
 LABEL org.opencontainers.image.authors="roman@dodin.dev"
 
 ARG DEBIAN_FRONTEND=noninteractive
 RUN apt-get update -qy \
-   && apt-get upgrade -qy \
    && apt-get install -y \
    bridge-utils \
    iproute2 \
-   python3-ipy \
    socat \
    qemu-kvm \
    tcpdump \