The Upgrade is scheduled for block 6376376
. A countdown clock is here
This guide assumes that you use cosmovisor to manage upgrades
# get the new version
cd chihuahua
git fetch --all
git checkout v4.2.1
make install
# should be v4.2.1
chihuahuad version
# Should be commit 3c9d81b261b6e53dabeb65043019baaaed325428
chihuahuad version --long |grep commit
mkdir -p $HOME/.chihuahuad/cosmovisor/upgrades/v421/bin
cp $HOME/go/bin/chihuahuad $HOME/.chihuahuad/cosmovisor/upgrades/v421/bin
# should be v4.2.1
$HOME/.chihuahuad/cosmovisor/upgrades/v421/bin/chihuahuad version