diff --git a/nixos/boxes/airy/default.nix b/nixos/boxes/airy/default.nix
index e4ec361d..e7bccc7a 100644
--- a/nixos/boxes/airy/default.nix
+++ b/nixos/boxes/airy/default.nix
@@ -37,7 +37,7 @@
   ];
 
   homebrew.enable = true;
-  homebrew.casks = ["maccy" "firefox" "zoom"];
+  homebrew.casks = ["maccy" "firefox" "zoom" "signal"];
   home-manager.users.cyryl = {...}: {
     imports = [
       ../../home-manager/programs/kitty.nix