diff --git a/flake.nix b/flake.nix
index 264e83b..35eb80c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -81,6 +81,7 @@
             erofs-utils
             just
             self.packages.${system}.qemu-efi
+            squashfs-tools-ng
           ];
         };