diff --git a/Dockerfile b/Dockerfile
index acfa3a1..8913ba7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM  ubuntu:jammy AS deploy-env
+FROM  ubuntu:focal AS deploy-env
 ARG tag
-RUN apt-get update && apt-get --yes --no-install-recommends install libsqlite3-0 zlib1g libreadline8 libssl-dev wget libvncclient1 libjpeg-turbo8 openssh-client tar tree
+RUN apt-get update && apt-get --yes --no-install-recommends install libsqlite3-0 zlib1g libreadline8 libssl1 wget libvncclient1 libjpeg-turbo8 openssh-client tar tree
 RUN apt clean &&  rm -rf /var/lib/apt/lists/*
 RUN mkdir /ulib
 RUN cp -rf /lib/*-linux-*/libsqlite3*.so* /ulib
@@ -23,6 +23,7 @@ RUN cp -rf /lib/*-linux-*/libunistring*.so* /ulib
 RUN cp -rf /lib/*-linux-*/libjpeg*.so* /ulib
 RUN cp -rf /lib/*-linux-*/libvncclient*.so* /ulib
 RUN cp -rf /lib/*-linux-*/librt*.so* /ulib
+RUN cp -rf /lib/*-linux-*/libstdc*.so* /ulib
 
 # vnc client support
 RUN cp -rf /lib/*-linux-*/libgcrypt*.so* /ulib