Another re-organisation happened in 1967 when the province of Laguna was raised to the rank of a diocese under the titular Diocese of San Pablo. The Diocese of Boac in Marinduque was created in 1977 and that of Gumaca in 1984. Both dioceses were part of the Diocese of Lucena before their establishment. In 1983 the new Apostolic Vicariate of San Jose in Occidental Mindoro was created.
