For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ateixeira:immutable-fixes/openSUSE_Factory/home:ateixeira:immutable-fixes.repo
zypper refresh
zypper install valkey
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ateixeira:immutable-fixes/16.0/home:ateixeira:immutable-fixes.repo
zypper refresh
zypper install valkey
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ateixeira:immutable-fixes/15.6/home:ateixeira:immutable-fixes.repo
zypper refresh
zypper install valkey