Surah Al-Anbya, Verse 108

قُلۡ إِنَّمَا يُوحَىٰٓ إِلَيَّ أَنَّمَآ إِلَٰهُكُمۡ إِلَٰهٞ وَٰحِدٞۖ فَهَلۡ أَنتُم مُّسۡلِمُونَ١٠٨

qul innamā yūḥā ilayya annamā ilāhukum ilāhun wāḥidun fahal antum mus'limūna

Say, "It is only revealed to me that your god is but one God; so will you be Muslims [in submission to Him]?"