diff --git a/pkgs/x/xbuild/package.nix b/pkgs/x/xbuild/package.nix
index d8fecc0..58bcd58 100644
--- a/pkgs/x/xbuild/package.nix
+++ b/pkgs/x/xbuild/package.nix
@@ -71,6 +71,7 @@ let
       pkgs.which
       pkgs.gnugrep
       pkgs.gawk
+      pkgs.gnused
       capnpc
       cedro
     ];