 In June 1999 the site came under the authority of the Diocese of Setúbal, which immediately started to restore the monument.The municipal authority was responsible for public works, beginning in May 2001 to clean the area and reorganize the public spaces, under technical supervision of the School of Sciences and Technology of the Nova University of Lisbon.Following the restoration projects, the monument was reopened in a solemn ceremony on 1 February 2001.