diff --git a/pkgs/development/ocaml-modules/mirage-channel/default.nix b/pkgs/development/ocaml-modules/mirage-channel/default.nix
index 227e821e192..bdafeb43054 100644
--- a/pkgs/development/ocaml-modules/mirage-channel/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-channel/default.nix
@@ -5,20 +5,15 @@
 
 buildDunePackage rec {
   pname = "mirage-channel";
-  version = "4.0.1";
+  version = "4.1.0";
 
-  useDune2 = true;
+  minimalOCamlVersion = "4.07";
 
   src = fetchurl {
-    url = "https://github.com/mirage/mirage-channel/releases/download/v${version}/mirage-channel-v${version}.tbz";
-    sha256 = "0wmb2zhiyp8n78xgcspcsyd19bhcml3kyli2caw3778wc1gyvfpc";
+    url = "https://github.com/mirage/mirage-channel/releases/download/v${version}/mirage-channel-${version}.tbz";
+    sha256 = "sha256-sBdoUdTd9ZeNcHK0IBGBeOYDDqULM7EYX+Pz2f2nIQA=";
   };
 
-  # Make tests compatible with alcotest 1.4.0
-  postPatch = ''
-    substituteInPlace test/test_channel.ml --replace 'Fmt.kstrf Alcotest.fail' 'Fmt.kstrf (fun s -> Alcotest.fail s)'
-  '';
-
   propagatedBuildInputs = [ cstruct logs lwt mirage-flow ];
 
   doCheck = true;