Your denomination nor anyone else has the power to establish the Holy Word of God!
John 1:1 New Revised Standard Version Catholic Edition (NRSVCE)
1 In the beginning was the Word, and the Word was with God, and the Word was God.
2 Timothy 3:16-17 New Revised Standard Version Catholic Edition (NRSVCE)
16 All scripture is inspired by God and is useful for teaching, for reproof, for correction, and for training in righteousness, 17 so that everyone who belongs to God may be proficient, equipped for every good work.
But as for you, continue in what you have learned and have become convinced of, because you know those from whom you learned it, and how from infancy you have known the holy Scriptures, which are able to make you wise for salvation through faith in Christ Jesus. 16 2 Tim 3:14-15
Now lets look at context and reality:
1. This was written to Timothy
2. Timothy was born in 17 AD
Therefore, the Scripture Paul is referring to is The Old Testament
The apostles never assumed that the one Church established by Christ would later be replaced by a book.