diff --git a/pkgs/development/ocaml-modules/duration/default.nix b/pkgs/development/ocaml-modules/duration/default.nix
index ba42a8b3af17..ab27a0aa2bd4 100644
--- a/pkgs/development/ocaml-modules/duration/default.nix
+++ b/pkgs/development/ocaml-modules/duration/default.nix
@@ -1,23 +1,20 @@
 {
   lib,
   buildDunePackage,
-  ocaml,
   fetchurl,
   alcotest,
 }:
 
 buildDunePackage (finalAttrs: {
   pname = "duration";
-  version = "0.2.1";
-
-  duneVersion = "3";
+  version = "0.3.1";
 
   src = fetchurl {
     url = "https://github.com/hannesm/duration/releases/download/v${finalAttrs.version}/duration-${finalAttrs.version}.tbz";
-    hash = "sha256-xzjB84z7mYIMEhzT3fgZ3ksiKPDVDqy9HMPOmefHHis=";
+    hash = "sha256-zYjaaTlR4SEuqD4kzhf3Z+laOanOKt2gZUsy11zmjBM=";
   };
 
-  doCheck = lib.versionAtLeast ocaml.version "4.08";
+  doCheck = true;
   checkInputs = [ alcotest ];
 
   meta = {