This document provides information about the 1st International Workshop on Software Health (SoHeal 2018) which is being held on May 27th, 2018 in Gothenburg, Sweden and is co-located with the 40th International Conference on Software Engineering. The workshop will include an opening, keynote presentation, sessions on software ecosystem health, open source software health, and other topics. There will also be a joint discussion session between CHAOSS and SECOHealth. The organizing committee and program committee are listed.