Qur'ān 66:2 · At-Tahrim (التحريم)

قَدْ فَرَضَ ٱللَّهُ لَكُمْ تَحِلَّةَ أَيْمَـٰنِكُمْ ۚ وَٱللَّهُ مَوْلَىٰكُمْ ۖ وَهُوَ ٱلْعَلِيمُ ٱلْحَكِيمُ

Allah has already ordained for you [Muslims] the dissolution of your oaths. And Allah is your protector, and He is the Knowing, the Wise.