93 year old Emma Winnall who was found badly beaten in her bed in Moseley earlier this month has passed away in hospital this morning.
She suffered a fractured skull and broken arm in the attack.
West Midlands Police say she'd been in intensive care since May 1 but died in the early hours of this morning as a result of complications arising from her injuries.
A post mortem examination will take place later.
Two people who were arrested in connection with the attack remain on police bail
Police are appealing for anyone with information to come forward
Crimestoppers have issued a reward of £5,000 for anyone who provides information leading to a conviction.