From eee0652b6b558cec01d7fb1490f4a520f08c246f Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Wed, 5 Apr 2023 06:17:50 +0200
Subject: [PATCH] ocamlPackages.pratter: use Dune 3

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

diff --git a/pkgs/development/ocaml-modules/pratter/default.nix b/pkgs/development/ocaml-modules/pratter/default.nix
index a44e815092c..a2408a267ce 100644
--- a/pkgs/development/ocaml-modules/pratter/default.nix
+++ b/pkgs/development/ocaml-modules/pratter/default.nix
@@ -12,6 +12,7 @@ buildDunePackage rec {
   pname = "pratter";
 
   minimalOCamlVersion = "4.08";
+  duneVersion = "3";
 
   src = fetchFromGitHub {
     owner = "gabrielhdt";