From bec9dd54c60c4d36caaed0d7ff84e68d38783c05 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 25 Mar 2023 11:20:03 +0100
Subject: [PATCH] ocamlPackages.mirage-block-unix: use Dune 3

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

diff --git a/pkgs/development/ocaml-modules/mirage-block-unix/default.nix b/pkgs/development/ocaml-modules/mirage-block-unix/default.nix
index 0d0851536b3..e32523c85eb 100644
--- a/pkgs/development/ocaml-modules/mirage-block-unix/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-block-unix/default.nix
@@ -13,6 +13,7 @@ buildDunePackage rec {
   };
 
   minimalOCamlVersion = "4.08";
+  duneVersion = "3";
 
   propagatedBuildInputs = [ cstruct-lwt logs mirage-block rresult uri ];