diff --git a/pkgs/x/xbuild/package.nix b/pkgs/x/xbuild/package.nix
index be02f06..b17c85f 100644
--- a/pkgs/x/xbuild/package.nix
+++ b/pkgs/x/xbuild/package.nix
@@ -44,6 +44,7 @@ let
     ];
 
     buildInputs = [
+      pkgs.pkg-config
       pkgs.gnumake
       pkgs.gcc
       pkgs.coreutils