Taha 20:116

Wa-ith qulna lilmala-ikatiosjudoo li-adama fasajadoo illa ibleesa aba

And [mention] when We said to the angels, "Prostrate to Adam," and they prostrated, except Iblees; he refused.

When We said to the angels, “Prostrate yourselves to ’Ādam”. So, all of them fell prostrate, except Iblīs , who refused.