Instructions Download the latest secureclient from here: https://software.cisco.com/download/home/286330811/type/282364313/release/5.1.0.136 Copy the tarball to $HOME/work/cisco-anyconnect/ or change the source variable in PKGBUILD to point to the location of your downloaded tarball You may have to remove /opt/cisco/secureclient/lib if there was a previous failed upgrade of secureclient Run makepkg -si Check the status of the vpn service with systemctl status vpnagentd.service. You may have to start it using systemctl start vpnagentd.service Run cisco-secureclient& or start it using the GUI