For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cahu:security:SELinux:userspace37/openSUSE_Factory/home:cahu:security:SELinux:userspace37.repo
zypper refresh
zypper install libsepol
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cahu:security:SELinux:userspace37/15.6/home:cahu:security:SELinux:userspace37.repo
zypper refresh
zypper install libsepol
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cahu:security:SELinux:userspace37/15.5/home:cahu:security:SELinux:userspace37.repo
zypper refresh
zypper install libsepol
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cahu:security:SELinux:userspace37/15.4/home:cahu:security:SELinux:userspace37.repo
zypper refresh
zypper install libsepol