UFC officials announced the new matchup on Thursday.
Arantes (15-4-1) made his UFC debut at UFC 134 in August 2011, losing a decision to Yuri Alcantara. He’s coming off a technical knockout win over Pepey on June 8.
Sicilia (11-3) made his way to the UFC through The Ultimate Fighter reality show. He was defeated in the opening round of the tournament by Chris Saunders in a controversial decision. He won his official UFC debut by knocking out Cristiano Marcello during The Ultimate Fighter 15 Finale, but has lost back-to-back fights.
Arantes vs. Silcilia is expected to be part of the preliminary portion of the card. The main card will air live on Fox Sports 1.