بُلُوغُ الْمَرَامِ
Bulugh al-Maram 252
The Book of Prayer
وَعَنْ أَبِي هُرَيْرَةَ - رضى الله عنه - قَالَ : قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ قَاتَلَ اَللَّهُ اَلْيَهُودَ : اِتَّخَذُوا قُبُورَ أَنْبِيَائِهِمْ مَسَاجِدَ } مُتَّفَقٌ عَلَيْه ِ [1]
Narrated Abu Hurairah (RA): Allah's Messenger (ﷺ) said: "May Allah curse the Jews! They have turned the graves of their Prophets into mosques." [Agreed upon].
Sunnah.com reference: Book 2, Hadith 123