This article depicts the process of language revitalization of the endangered Elfdalian language spoken in Sweden. Having witnessed a language decline, Ulum Dalska was founded in 1984 with the ambition to revitalize Elfdalian. In 2004, these efforts were boosted due to the joining of the academia and the Municipality of Älvdalen to the revitalization process. Still not recognized as an official language in Sweden, in 2016, Elfdalian acquired an ISO language code and was introduced into the school system. Elfdalian was further empowered by publications in and about the language, as well as a standard orthography, and can thus be seen as both an abstand and an ausbau language. Whether these factors will be sufficient to reverse the language shift and to grant Elfdalian.