From 19b435931aa311acd115fe7f104685070f408c10 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 25 Mar 2023 11:18:11 +0100
Subject: [PATCH] ocamlPackages.mirage-block-ramdisk: use Dune 3

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

diff --git a/pkgs/development/ocaml-modules/mirage-block-ramdisk/default.nix b/pkgs/development/ocaml-modules/mirage-block-ramdisk/default.nix
index 78f3e48c5bd..a6978d3d581 100644
--- a/pkgs/development/ocaml-modules/mirage-block-ramdisk/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-block-ramdisk/default.nix
@@ -16,6 +16,7 @@ buildDunePackage rec {
   '';
 
   minimalOCamlVersion = "4.06";
+  duneVersion = "3";
 
   propagatedBuildInputs = [ io-page mirage-block ];