Upgrade your sbt version and make sure that whatever file you update is not (transitively) imported/used by every other file. If that doesn't help, check for ex

Upgrade your sbt version and make sure that whatever file you update is not (transitively) imported/used by every other file. If that doesn't help, check for excessive macro/typelevel usage. Incremental compile times should be seconds not minutes, something is probably wrong with your setup.