Surah Al-Imran, ayah 94

3:94

فَمَنِ ٱفۡتَرَىٰ عَلَى ٱللَّهِ ٱلۡكَذِبَ مِنۢ بَعۡدِ ذَٰلِكَ فَأُوْلَٰٓئِكَ هُمُ ٱلظَّٰلِمُونَ ٩٤

Famaniftarā 'alallāhil-kadhiba mim ba'di dhālika fa ulā'ika humuz-zālimūn

And whoever invents about Allāh untruth after that - then those are [truly] the wrongdoers.