Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a base station, information indicating a capability of the UE to support a simultaneous beam update across multiple component carriers. The UE may receive, from the base station, a beam update command identifying a component carrier configured for the UE based at least in part on the capability of the UE to support the simultaneous beam update across multiple component carriers. The UE may apply the beam update command to one or more component carriers based at least in part on the component carrier identified in the beam update command. Numerous other aspects are provided.