diff --git a/pkgs/development/ocaml-modules/parany/default.nix b/pkgs/development/ocaml-modules/parany/default.nix
index 4f072391deb..f5af1616795 100644
--- a/pkgs/development/ocaml-modules/parany/default.nix
+++ b/pkgs/development/ocaml-modules/parany/default.nix
@@ -1,20 +1,32 @@
-{ lib, buildDunePackage, fetchFromGitHub, ocamlnet, cpu }:
+{ lib, buildDunePackage, fetchFromGitHub, ocaml, cpu, domainslib }:
+
+let params =
+  if lib.versionAtLeast ocaml.version "5.00" then {
+    version = "13.0.1";
+    hash = "sha256-OYa0uLsDyzjmXZgWcYUxLhqco4Kp/icfDamNe3En5JQ=";
+    propagatedBuildInputs = [ domainslib ];
+  } else {
+    version = "12.2.2";
+    hash = "sha256-woZ4XJqqoRr/7mDurXYvTbSUUcLBEylzVYBQp1BAOqc=";
+    propagatedBuildInputs = [ cpu ];
+  }
+; in
 
 buildDunePackage rec {
   pname = "parany";
-  version = "12.1.2";
+  inherit (params) version;
 
-  useDune2 = true;
-  minimumOCamlVersion = "4.03.0";
+  duneVersion = "3";
+  minimalOCamlVersion = "4.08";
 
   src = fetchFromGitHub {
     owner = "UnixJunkie";
     repo = pname;
     rev = "v${version}";
-    sha256 = "yOeJzb2Wr6jA4efI9/fuqDCl/Tza3zxT3YjAiJmhHHg=";
+    inherit (params) hash;
   };
 
-  propagatedBuildInputs = [ ocamlnet cpu ];
+  inherit (params) propagatedBuildInputs;
 
   meta = with lib; {
     inherit (src.meta) homepage;