The incident happened in the town of Toba Tek Singh, some 340 kilometres (211 miles) south of Islamabad.
Police and hospital officials added 23 of the 121 people sickened in the incident, which happened in the town of Toba Tek Singh, some 340 kilometres (211 miles) south of Islamabad, are still in hospital.
"So far 39 people have died after consuming toxic liquor," senior police official Atif Imran, who is investigating the case, told AFP. Most of the dead were Christians.
Imran added that two of the four suspects accused of preparing the mix had died while the other two were had been charged with murder and terrorism related offences.
Though legal breweries exist in Pakistan, alcohol sales and consumption are banned for Muslims and tightly regulated for minorities and foreigners.
While wealthy Pakistanis buy foreign alcohol on the black market at heavily inflated prices, the poor often resort to home brews that can contain methanol, commonly used in anti-freeze and fuel.
Eleven Christians died in October after consuming toxic liquor at a party in Punjab province.
In October 2014 29 drinkers were killed after consuming methanol-tainted liquor over the Eid public holidays.