There is a security concern that requires significant upgrades to Terok Nor's sensor array.

Congress requires periodic upgrades because technology gets better all the time.

Both vehicles require upgrades in order to reach new areas and progress through the game.

The role would require considerably greater upgrades to the radars and computers instead.

All 850 sets of Brisbane City Council signal boxes require upgrades.

The project would require major upgrades to 11 interchanges and minor work on 6 others.

However, higher speeds may also require upgrades to the track itself and to grade crossings.

Except for the parts that, at best, require expensive upgrades.

Multiple critical systems throughout the ship had required swap-outs, or upgrades, or tune-ups.

The cages he keeps his hens in will not meet the group's rules, requiring expensive upgrades.