diff --git a/nix/common.nix b/nix/common.nix
index 1ba5b32..6d2df0c 100644
--- a/nix/common.nix
+++ b/nix/common.nix
@@ -20,6 +20,7 @@
   environment.systemPackages = with pkgs; [
     git
     python3
+    dmg2img
   ];
 
   # ZFS is (sometimes) broken and prevents building without this