diff --git a/macos/.config/Brewfile b/macos/.config/Brewfile
index c97a6be..8def96e 100644
--- a/macos/.config/Brewfile
+++ b/macos/.config/Brewfile
@@ -16,6 +16,7 @@ brew "poetry"
 brew "awscli"
 brew "terraform"
 brew "tz"
+brew "mas"
 
 cask "ghostty"
 cask "itsycal"
@@ -49,3 +50,4 @@ mas "AmorphousDiskMark", id: 1168254295
 mas "Flighty – Live Flight Tracker", id: 1358823008
 mas "Discovery - DNS-SD Browser", id: 1381004916
 mas "Hand Mirror", id: 1502839586
+mas "The Unarchiver", id: 425424353