In June 2017 Saab signed a 1.249BSEK contract for life extension modification and upgrading of the Swedish Navy's Gävle and Sundsvall.[5]Gävle was relaunched into water in September 2020 and the work on began on commissioning platform systems[6]
In May 2022 Swedish Defence Materiel Administration delivered the upgraded Gävle to the Swedish Navy. The upgrade included a new torpedo guidance system, Bofors 57 mm Mk3B gun, variable depth sonar (VDS), new sensors, all integrated Combat Management System, integrated IFF-system, AMB 3D radar similar to the one in use on the Visby-class corvettes. After the MLU the ships were no longer considered part of the Göteborg class but a new class, designated the Gävle class.[7][8]
"It is a do over and modernisation of everything on board: She will have the same hull, but more or less all the systems on the inside are new", said Johan Edelsvärd, Project Manager for the Mid-Life Upgrade of HSwMS Gävle at FMV (Swedish Defence Materiel Administration).