From 543d53100e992fc6f894b2dc5d06ec65734f3be4 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Wed, 5 Apr 2023 06:17:45 +0200
Subject: [PATCH] ocamlPackages.iter: use Dune 3

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

diff --git a/pkgs/development/ocaml-modules/iter/default.nix b/pkgs/development/ocaml-modules/iter/default.nix
index 26adaf06d1ee..7d0f9366a554 100644
--- a/pkgs/development/ocaml-modules/iter/default.nix
+++ b/pkgs/development/ocaml-modules/iter/default.nix
@@ -7,6 +7,8 @@ buildDunePackage rec {
   pname = "iter";
   version = "1.6";
 
+  duneVersion = "3";
+
   src = fetchFromGitHub {
     owner = "c-cube";
     repo = pname;