Hebrews 8:8

8:8 But showing its fault, God says to them,

“Look, the days are coming, says the Lord, when I will complete a new covenant with the house of Israel and with the house of Judah.

Hebrews 10:16

10:16 “This is the covenant that I will establish with them after those days, says the Lord. I will put my laws on their hearts and I will inscribe them on their minds,”

Hebrews 10:29

10:29 How much greater punishment do you think that person deserves who has contempt for the Son of God, and profanes the blood of the covenant that made him holy, and insults the Spirit of grace?