diff --git a/aoscx/docker/Dockerfile b/aoscx/docker/Dockerfile
index 751b31ea..37f2f5e0 100644
--- a/aoscx/docker/Dockerfile
+++ b/aoscx/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bullseye
+FROM public.ecr.aws/docker/library/debian:bookworm-slim
 MAINTAINER Stefano Sasso <stesasso@gmail.com>
 
 ENV DEBIAN_FRONTEND=noninteractive
@@ -17,8 +17,8 @@ RUN apt-get update -qy \
     iptables \
     telnet \
     ftp \
-    qemu-system-x86=1:5.2+dfsg-11+deb11u2 \
-    qemu-utils=1:5.2+dfsg-11+deb11u2 \
+    qemu-system-x86 \
+    qemu-utils \
  && rm -rf /var/lib/apt/lists/*
 
 ARG IMAGE
diff --git a/aoscx/docker/launch.py b/aoscx/docker/launch.py
index c3bf63af..74d68761 100755
--- a/aoscx/docker/launch.py
+++ b/aoscx/docker/launch.py
@@ -47,7 +47,7 @@ def __init__(self, hostname, username, password, conn_mode):
             logging.getLogger().info("Disk image was not found")
             exit(1)
         super(AOSCX_vm, self).__init__(
-            username, password, disk_image=disk_image, ram=8192, cpu="host,level=9", smp="4"
+            username, password, disk_image=disk_image, ram=8192, cpu="host", smp="4"
         )
         self.hostname = hostname
         self.conn_mode = conn_mode