diff --git a/tongfang/nixos/packages.nix b/tongfang/nixos/packages.nix
index 83332d7..b219816 100644
--- a/tongfang/nixos/packages.nix
+++ b/tongfang/nixos/packages.nix
@@ -20,5 +20,6 @@ in
     background=${customWallpaper}
     '')
     dig
+    caligula
   ];
 }