diff --git a/pkgs/development/ocaml-modules/mirage-fs/default.nix b/pkgs/development/ocaml-modules/mirage-fs/default.nix
index 23c79c4a77d..f880a71d417 100644
--- a/pkgs/development/ocaml-modules/mirage-fs/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-fs/default.nix
@@ -1,19 +1,19 @@
 { lib, fetchurl, buildDunePackage
-, cstruct, fmt, lwt, mirage-device, mirage-kv
+, cstruct, fmt, lwt, mirage-kv
 }:
 
 buildDunePackage rec {
   pname = "mirage-fs";
   version = "4.0.0";
 
-  useDune2 = true;
+  duneVersion = "3";
 
   src = fetchurl {
     url = "https://github.com/mirage/mirage-fs/releases/download/v${version}/mirage-fs-v${version}.tbz";
-    sha256 = "sha256-PYZ2HCPuxOv4FU7EHymsa1oIZU7q8TSzzRvlngYdZ3s=";
+    hash = "sha256-PYZ2HCPuxOv4FU7EHymsa1oIZU7q8TSzzRvlngYdZ3s=";
   };
 
-  propagatedBuildInputs = [ cstruct fmt lwt mirage-device mirage-kv ];
+  propagatedBuildInputs = [ cstruct fmt lwt mirage-kv ];
 
   meta = {
     description = "MirageOS signatures for filesystem devices";