I get: chrony is needed by (installed) patterns-microos-base-5.0-5.1.x86_64 pattern() = microos_base is needed by (installed) patterns-microos-basesystem-5.0-5.1.x86_64 %package basesystem Requires: pattern() = microos_base %package base Provides: pattern() = microos_base Requires: chrony And systemd-timesyncd is part of systemd itself. So something must be terrible broken on your system.