From 716adb19e27745c04e5e44a90d44860aa240913d Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 10 Apr 2023 14:15:09 +0200
Subject: [PATCH] ocamlPackages.unstrctrd: use Dune 3

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

diff --git a/pkgs/development/ocaml-modules/unstrctrd/default.nix b/pkgs/development/ocaml-modules/unstrctrd/default.nix
index 104cabfd0fa..f9e287e2162 100644
--- a/pkgs/development/ocaml-modules/unstrctrd/default.nix
+++ b/pkgs/development/ocaml-modules/unstrctrd/default.nix
@@ -21,7 +21,7 @@ buildDunePackage rec {
     sha256 = "0mjm4v7kk75iwwsfnpmxc3bsl8aisz53y7z21sykdp60f4rxnah7";
   };
 
-  useDune2 = true;
+  duneVersion = "3";
 
   propagatedBuildInputs = [
     angstrom