Twenty-year-old Bedana Akhter died around 7:45am on Wednesday.
Dhaka Medical College Hospital (DMCH) police outpost In-Charge Bachchu Mia confirmed the matter to the Dhaka Tribune.
Sharifa Akter died at DMCH burn unit around 10pm on Monday. The death toll in the incident stands at two.
Parvin Begum, 38, is being treated at the ICU of the hospital. Parvin also sustained 90% burn in the incident.
The three domestic workers were burnt in the fire that broke out at an apartment of the ‘Navana Tower’ on Road 73 in Gulshan on Monday.