Surah Ali'Imran, Verse 94

فَمَنِ ٱفۡتَرَىٰ عَلَى ٱللَّهِ ٱلۡكَذِبَ مِنۢ بَعۡدِ ذَٰلِكَ فَأُوْلَٰٓئِكَ هُمُ ٱلظَّٰلِمُونَ٩٤

famani if'tarā ʿalā l-lahi l-kadhiba min baʿdi dhālika fa-ulāika humu l-ẓālimūna

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