The game will update automatically on Xbox One and PC, but it's a little more complicated for PS4 players. If you play Fallout 4 on PS4, you'll first need to make sure the game isn't running.

Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.

Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.

“Vault-Tec Workshop” is the fifth add-on for Fallout 4, following last month’s “Contraptions,” which was the first DLC pack to be released outside the season pass’ original scope.