diff --git a/pkgs/x/xbuild/package.nix b/pkgs/x/xbuild/package.nix
index 3e3a2a0..a3bf5f3 100644
--- a/pkgs/x/xbuild/package.nix
+++ b/pkgs/x/xbuild/package.nix
@@ -66,6 +66,7 @@ let
       pkgs.python3
       pkgs.ncurses
       pkgs.capnproto
+      pkgs.libpq
       capnpc
       cedro
     ];