This method may not be as simple as using the apt utility, but it enables you to install the latest Hugo version which is likely not available from apt repos.
Run the command below to confirm you’re running 64-bit archiecture
sudo uname -iX86_64Look at the Hugo release page to find the download link for the most recent stable release. It should end in Linux-64bit.deb. Then use wget to download the package.
wget https://github.com/gohugoio/hugo/releases/download/v0.69.0/hugo_0.69.0_Linux-64bit.debUse dpkg to install the downloaded app.
sudo dpkg -i hugo_0.69.0_Linux-64bit.debIf it installed successfully, you can run the hugo version command to confirm it’s working as expected.
hugo versionHugo Static Site Generator v0.69.0-4205844B linux/amd64 BuildDate: 2020-04-10T09:12:34You can delete the downloaded package once it’s successfully installed.
rm hugo_0.69.0_Linux-64bit.debIf you no longer need Hugo then you can uninstall it using apt.
sudo apt-getremove --auto-remove hugo