diff --git a/qemu-build.sh b/qemu-build.sh
index 624f068..c17b654 100755
--- a/qemu-build.sh
+++ b/qemu-build.sh
@@ -108,7 +108,7 @@
 # !!!
 
 Dockerfile=$(cat << EOF
-FROM ${DOCKER_BASE}ubuntu:latest
+FROM ${DOCKER_BASE}ubuntu:jammy
 
 ${PROXY}
 
diff --git a/scripts/build-qemu-robot-docker.sh b/scripts/build-qemu-robot-docker.sh
index f985b5c..707b7db 100755
--- a/scripts/build-qemu-robot-docker.sh
+++ b/scripts/build-qemu-robot-docker.sh
@@ -92,6 +92,7 @@
     libasound2 \
     libfdt1 \
     libpcre3 \
+    libslirp-dev \
     openssl \
     libxml2-dev \
     libxslt-dev \