From c1f110eef4c301ebe00cd6b0d8df5ea06f361a75 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Thu, 9 Feb 2023 08:10:40 +0100
Subject: [PATCH] ocamlPackages.npy: use Dune 3

---
 pkgs/development/ocaml-modules/npy/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/ocaml-modules/npy/default.nix b/pkgs/development/ocaml-modules/npy/default.nix
index 9375029f5f6..f604780f476 100644
--- a/pkgs/development/ocaml-modules/npy/default.nix
+++ b/pkgs/development/ocaml-modules/npy/default.nix
@@ -4,15 +4,15 @@ buildDunePackage rec {
   pname = "npy";
   version = "0.0.9";
 
-  useDune2 = true;
+  duneVersion = "3";
 
-  minimumOCamlVersion = "4.06";
+  minimalOCamlVersion = "4.06";
 
   src = fetchFromGitHub {
     owner = "LaurentMazare";
     repo   = "${pname}-ocaml";
     rev    = version;
-    sha256 = "1fryglkm20h6kdqjl55b7065b34bdg3g3p6j0jv33zvd1m5888m1";
+    hash = "sha256:1fryglkm20h6kdqjl55b7065b34bdg3g3p6j0jv33zvd1m5888m1";
   };
 
   propagatedBuildInputs = [ camlzip ];