From 89a31f56e9a06b9383b0968ddf0d7befa84d862e Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 2 May 2023 06:07:34 +0200
Subject: [PATCH] ocamlPackages.ppx_gen_rec: use Dune 3

---
 pkgs/development/ocaml-modules/ppx_gen_rec/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/ocaml-modules/ppx_gen_rec/default.nix b/pkgs/development/ocaml-modules/ppx_gen_rec/default.nix
index ee801f6adfd..1da8a55225c 100644
--- a/pkgs/development/ocaml-modules/ppx_gen_rec/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_gen_rec/default.nix
@@ -9,8 +9,8 @@ buildDunePackage rec {
     sha256 = "sha256-/mMj5UT22KQGVy1sjgEoOgPzyCYyeDPtWJYNDvQ9nlk=";
   };
 
-  minimumOCamlVersion = "4.07";
-  useDune2 = true;
+  minimalOCamlVersion = "4.07";
+  duneVersion = "3";
 
   buildInputs = [ ppxlib ];