diff --git a/pkgs/development/ocaml-modules/parmap/default.nix b/pkgs/development/ocaml-modules/parmap/default.nix
index 37006bf30da6..7adc8482b232 100644
--- a/pkgs/development/ocaml-modules/parmap/default.nix
+++ b/pkgs/development/ocaml-modules/parmap/default.nix
@@ -1,14 +1,18 @@
-{ lib, buildDunePackage, fetchurl }:
+{ lib, buildDunePackage, fetchurl, dune-configurator }:
 
 buildDunePackage rec {
   pname = "parmap";
   version = "1.2";
 
+  useDune2 = true;
+
   src = fetchurl {
     url = "https://github.com/rdicosmo/${pname}/releases/download/${version}/${pname}-${version}.tbz";
     sha256 = "sha256-XUXptzD0eytaypaBQ+EBp4iVFRE6/Y0inS93t/YZrM8=";
   };
 
+  buildInputs = [ dune-configurator ];
+
   doCheck = true;
 
   meta = with lib; {