diff --git a/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/2.1.x.nix b/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/2.1.x.nix
index afe3d34963a..ca88fe32416 100644
--- a/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/2.1.x.nix
+++ b/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/2.1.x.nix
@@ -4,6 +4,8 @@ buildDunePackage rec {
    pname = "ocaml-migrate-parsetree";
    version = "2.1.0";
 
+   useDune2 = true;
+
    minimumOCamlVersion = "4.02";
 
    src = fetchurl {