(CNN) Restaurants in Saudi Arabia are no longer required to have separate entrances for men and women, the kingdom's government announced on Sunday.

The move is part of a series of measures to loosen strict social rules as part of a drive to modernize the ultra-conservative, oil-rich kingdom.

Before Sunday's announcement by the ministry of municipalities and rural affairs, it was mandatory for restaurants and other dining establishments to have segregated entrances for women and families, and for men.

In practice, the requirement has been eased in recent years, with many restaurants in the kingdom doing away with gender segregation.

In August, the government lifted a ban on Saudi women holding passports and traveling abroad without the consent of a male guardian.

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