2 Bible Verses about Exchanging Of Leaders

"For it was written [about Judas] in the book of Psalms [69:25]: 'Let the place where he lives become deserted, with no one living there' and [Psa. 109:8] 'Let someone else fill his ministry.'

to replace Judas in this ministry and this group of apostles, from which he fell away to go to where he belonged" [i.e., to the place of punishment for unrepentant sinners].