From 4abd5e93bd6838241118152b6fa178dd9d287128 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 2 May 2023 06:07:38 +0200
Subject: [PATCH] ocamlPackages.ppx_import: use Dune 3

---
 pkgs/development/ocaml-modules/ppx_import/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/ocaml-modules/ppx_import/default.nix b/pkgs/development/ocaml-modules/ppx_import/default.nix
index 120ce1893b2..8330aead80e 100644
--- a/pkgs/development/ocaml-modules/ppx_import/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_import/default.nix
@@ -26,6 +26,7 @@ buildDunePackage rec {
   inherit version;
 
   minimalOCamlVersion = "4.05";
+  duneVersion = "3";
 
   src = fetchurl {
     url = "https://github.com/ocaml-ppx/ppx_import/releases/download/${version}/ppx_import-${version}.tbz";