Quran 7:166 from Surah Al-A'raaf on Divine Marvels.
فَلَمَّا عَتَوۡاْ عَن مَّا نُهُواْ عَنۡهُ قُلۡنَا لَهُمۡ كُونُواْ قِرَدَةً خَٰسِـِٔينَ
English translation: So when they exceeded all bounds about what they were forbidden from it We said to them Be apes despised
Transliteration: falamma ataw an ma nuhu anhu qul'na lahum kunu qiradatan khasiina