From 7c21cff3579df967f9000287d8aed8b6156a40c8 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Fri, 10 Mar 2023 20:51:31 +0100
Subject: [PATCH] =?UTF-8?q?ocamlPackages.duration:=200.2.0=20=E2=86=92=200?=
 =?UTF-8?q?.2.1?=
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---
 pkgs/development/ocaml-modules/duration/default.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/ocaml-modules/duration/default.nix b/pkgs/development/ocaml-modules/duration/default.nix
index 1a1f9b07769..34326c8a114 100644
--- a/pkgs/development/ocaml-modules/duration/default.nix
+++ b/pkgs/development/ocaml-modules/duration/default.nix
@@ -2,13 +2,13 @@
 
 buildDunePackage rec {
   pname = "duration";
-  version = "0.2.0";
+  version = "0.2.1";
 
-  useDune2 = true;
+  duneVersion = "3";
 
   src = fetchurl {
-    url = "https://github.com/hannesm/duration/releases/download/${version}/duration-${version}.tbz";
-    sha256 = "sha256-rRT7daWm9z//fvFyEXiSXuVVzw8jsj46sykYS8DBzmk=";
+    url = "https://github.com/hannesm/duration/releases/download/v${version}/duration-${version}.tbz";
+    hash = "sha256-xzjB84z7mYIMEhzT3fgZ3ksiKPDVDqy9HMPOmefHHis=";
   };
 
   doCheck = lib.versionAtLeast ocaml.version "4.08";