From 09d48ab0328ffca4b8e8e108f4c152da2c17a5f1 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 2 May 2023 06:08:22 +0200
Subject: [PATCH] ocamlPackages.ocaml-monadic: use Dune 3

---
 pkgs/development/ocaml-modules/ocaml-monadic/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/ocaml-modules/ocaml-monadic/default.nix b/pkgs/development/ocaml-modules/ocaml-monadic/default.nix
index 9a6dd1f7cb66..7201311a5335 100644
--- a/pkgs/development/ocaml-modules/ocaml-monadic/default.nix
+++ b/pkgs/development/ocaml-modules/ocaml-monadic/default.nix
@@ -6,7 +6,7 @@ buildDunePackage rec {
   pname = "ocaml-monadic";
   version = "0.5.0";
 
-  useDune2 = true;
+  duneVersion = "3";
 
   src = fetchFromGitHub {
     owner = "zepalmer";