The package has a debian/watch file, but the last attempt
to use it for checking for newer upstream versions failed with
an error:
In debian/watch no matching files for watch line http://www.openfst.org/twiki/bin/view/GRM/NGramDownload http://www.openfst.org/twiki/pub/GRM/NGramDownload/opengrm-ngram-(\d[\d\.]*)\.(?:zip|tgz|tbz2|txz|tar\.gz|tar\.bz2|tar\.xz)
Migration status for opengrm-ngram (- to 1.3.2-3): BLOCKED: Cannot migrate due to another item, which is blocked (please check which dependencies are stuck)