"Mukhtiyar Singh, who was admitted to MDM Hospital in Jodhpur and was in a critical condition, died today," District Magistrate Sudhir Kumar Sharma said.
With this death, three BSF personnel have died in the hooch tragedy.
The District Magistrate did not rule out the possibility of the toll going up.
"We are trying to gather as much information as possible about other deaths. Our teams are doing door-to-door survey in the affected villages, especially Vishala, where maximum number of deaths have been reported," Sharma said.
While five persons have been arrested in connection with the tragedy, one Mohan Singh was arrested for running a distillery at his home in Jhinjhinyali village, Jaisalmer police said.
Seven government employees including two officials of Gadra Road Police Station, have been suspended for dereliction of their duty and 11 joint teams of police and Excise Departments formed to seize stock of spurious liquor, Barmer SP Rajiv Pachaar said.