From c4b1a7a0ad9ca2a93c797949022b186a5a671c53 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 2 May 2023 06:07:45 +0200
Subject: [PATCH] ocamlPackages.visitors: use Dune 3

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

diff --git a/pkgs/development/ocaml-modules/visitors/default.nix b/pkgs/development/ocaml-modules/visitors/default.nix
index 42c077e24a8..d904b92a0ac 100644
--- a/pkgs/development/ocaml-modules/visitors/default.nix
+++ b/pkgs/development/ocaml-modules/visitors/default.nix
@@ -4,9 +4,9 @@ buildDunePackage rec {
   pname = "visitors";
   version = "20210608";
 
-  useDune2 = true;
+  duneVersion = "3";
 
-  minimumOCamlVersion = "4.08";
+  minimalOCamlVersion = "4.08";
 
   src = fetchFromGitLab {
     owner = "fpottier";