From 942e6fd471968470b5ca0fabc95681033e4552b6 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 21 Mar 2023 13:05:56 +0100
Subject: [PATCH] ocamlPackages.sedlex: use Dune 3

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

diff --git a/pkgs/development/ocaml-modules/sedlex/default.nix b/pkgs/development/ocaml-modules/sedlex/default.nix
index 27756fdcd26..0ce962417ed 100644
--- a/pkgs/development/ocaml-modules/sedlex/default.nix
+++ b/pkgs/development/ocaml-modules/sedlex/default.nix
@@ -47,6 +47,7 @@ buildDunePackage rec {
   inherit (param) version;
 
   minimalOCamlVersion = "4.08";
+  duneVersion = "3";
 
   src = fetchFromGitHub {
     owner = "ocaml-community";