From c7cea919e720b19d3bbbe66d8bb761fbdeb4ef87 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 2 May 2023 06:08:44 +0200
Subject: [PATCH] ocamlPackages.secp256k1: use Dune 3

---
 pkgs/development/ocaml-modules/secp256k1/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/ocaml-modules/secp256k1/default.nix b/pkgs/development/ocaml-modules/secp256k1/default.nix
index 00233beefd9..73a48f9c4de 100644
--- a/pkgs/development/ocaml-modules/secp256k1/default.nix
+++ b/pkgs/development/ocaml-modules/secp256k1/default.nix
@@ -4,6 +4,8 @@ buildDunePackage rec {
   pname = "secp256k1";
   version = "0.4.4";
 
+  duneVersion = "3";
+
   src = fetchFromGitHub {
     owner = "dakk";
     repo = "secp256k1-ml";