We are delighted to inform all authors and readers that Ultimatics : Jurnal Teknik Informatika has been reaccredited by the National Journal Accreditation (Arjuna), Ministry of Education, Culture, Research and Higher Education with SINTA 3 rating, as stated by Decree No. 164/E/KPT/2021 starts from Vol.14 No.1 to Vol.18 No.2.