diff --git a/nixos/boxes/airy/default.nix b/nixos/boxes/airy/default.nix
index 7a75ae73..250525e2 100644
--- a/nixos/boxes/airy/default.nix
+++ b/nixos/boxes/airy/default.nix
@@ -38,6 +38,7 @@
 
   homebrew.enable = true;
   homebrew.casks = [
+    "caffeine"
     "firefox"
     "istat-menus"
     "little-snitch"