﴿ يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ ٱتَّقُوا۟ ٱللَّهَ وَذَرُوا۟ مَا بَقِىَ مِنَ ٱلرِّبَوٰٓا۟ إِن كُنتُم مُّؤْمِنِينَ ﴾

“O you who have attained to faith! Remain conscious of God. and give up all outstanding gains from usury, if you are [truly] believers;”

Please check ayah 2:281 for complete tafsir.