A new release which addresses timing issues was just issued this morning.
Debian package version numbers for this release are:
libzymkey: 1.1-13
zkifc: 1.2-17
zksaapps: 1.0-9
zkbootrtc: 1.1-12
zkapputilslib: 1.1-9
libzymkeyssl: 1.0-8
Instructions for Updating an Existing Installation
sudo apt update
sudo apt -y install --only-upgrade libzk libzymkeyssl zkbootrtc zkifc zkapputilslib zksaapps
sudo pip install zku --upgrade
sudo pip3 install zku --upgrade