For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cboltz:aa4/openSUSE_Tumbleweed/home:cboltz:aa4.repo
zypper refresh
zypper install apparmor-utils
For openSUSE Factory zSystems run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cboltz:aa4/openSUSE_Factory_zSystems/home:cboltz:aa4.repo
zypper refresh
zypper install apparmor-utils
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cboltz:aa4/15.5/home:cboltz:aa4.repo
zypper refresh
zypper install apparmor-utils