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Dropping a few brads/nails into it to hold it into place is a good idea. As time goes by, wear and expansion/contraction of the flooring will have it popping out.
I picked up an airgun to put in 2 1/2" finishing brads on the floors I did (engineered hickory). Turned the air pressure up to the maximum the gun was rated for (150psi) and sunk the brads into the board
I also hope you did 5+ coats or so of polyurethane or shellac on it. Jams tend to take a beating. The slight rise means that everything hits them. I had to learn that one the hard way.