How to set max version on nuget packege

I have a project where I don't want to update bootstrap by accidentIn packages.config how can I set a rule that the package must be lower than 4 and greater than 3.1 ?Perhaps min isn't possible but I would like to set max version

<package id="bootstrap" version="3.4.1"Min version =??? max version ???? targetFramework="net48" />