# Rename the local branch to the new name
git branch -m <old_name> <new_name>

# Delete the old branch on remote - where <remote> is, for example, origin
git push <remote> --delete <old_name>

# Or shorter way to delete remote branch [:]
git push <remote> :<old_name>

# Push the new branch to remote
git push <remote> <new_name>

# Reset the upstream branch for the new_name local branch
git push <remote> -u <new_name>

$ git checkout Branch-Name-You-Want-to-Change
$ git branch -m New-Branch-Name

git push origin :<branch_to_rename>
git checkout -b <new_branch_name>
git push --set-upstream origin <new_branch_name>