sudo apt-get install libxcb-cursor0

vi /usr/local/bin/zoomupdate.sh

/usr/local/bin/zoomupdate.sh

#!/bin/bash
if [ "$LOGNAME" != "root" ]
then
    echo "Zoom client updater needs to be run as root!"
    exit
fi

function version { echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'; }

#get latest zoom version number for x64 linux on the web
VER_LATEST=$(curl -s -A "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:71.0) Gecko/20100101 Firefox/71.0" "https://zoom.us/rest/download?os=linux"  | sed 's/.*"zoom":{"version":"\([0-9.]*\)".*/\1/')

#get latest installed zoom version
VER_INST=$(dpkg -s zoom | grep -i version | grep -v "Config-Version" | sed 's/.* \([0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\).*/\1/')
if [[ "$VER_INST" == "" ]];
then
    VER_INST=0
fi

#download and install only if web version greater than current version
#if main web version doesn't exist, then install new main version
if [ $(version $VER_INST) -lt $(version $VER_LATEST) ];
then
    echo "Current Zoom version $VER_INST, upgrading to version $VER_LATEST"
    cd /tmp/
    wget https://zoom.us/client/latest/zoom_amd64.deb
    apt-get install libxcb-xtest0 ibus
    dpkg -i zoom_amd64.deb
    rm zoom_amd64.deb
else
    echo "Current Version $VER_INST, available version $VER_LATEST"
    echo "No upgrade necessary"
fi

Add to daily cron for auto-update:

/etc/cron.daily/zoomupdatecron

#!/bin/sh
echo `date` >> /var/log/zoomupdate.log
/usr/local/bin/zoomupdate.sh 2>&1 >> /var/log/zoomupdate.log 
echo >> /var/log/zoomupdate.log

chmod 755 /usr/local/bin/zoomupdate.sh
chmod 755 /etc/cron.daily/zoomupdatecron