The study is based on an ethnographic field research with bank union leaders in the interior of Rio Grande do Sul to analyze the mobilization repertoires put into practice by bank unionism, during the first year of the pandemic, as well as the possibilities and challenges of action. union. The results showed that the union's confrontations were not restricted to the usual guidelines, such as guaranteeing wages and working conditions, with a shift in the mobilization repertoires to defend the health and life of workers. The author points out that, despite the unforeseen social distancing and consequent restrictions on union action, the mobilization process continued, predominantly through digital media. The article also notes that the COVID-19 pandemic has also made it possible to reinvent union action, focusing on the safety and protection of the lives of bank employees and their families.