Failing to update node version

So recently I’ve been trying to update my repositories node version 12. I added the 12.x to the node thingy and ran node -v and I somehow I was still on node 10.15.3. My repository name is ibf-32-beta

“engines”: {
“node”: “12.x”
}, (Is what I set the node version to btw)

Can’t you just change it by changing from x (your previous node) to the new one but typing it in? Excuse me if I do it wrong lol

I did that but the node version still hasn’t been changed.