diff --git a/pkgs/development/ocaml-modules/tuntap/default.nix b/pkgs/development/ocaml-modules/tuntap/default.nix
index 2bbf89c6127..e5db86d7fee 100644
--- a/pkgs/development/ocaml-modules/tuntap/default.nix
+++ b/pkgs/development/ocaml-modules/tuntap/default.nix
@@ -6,9 +6,9 @@ buildDunePackage rec {
   pname = "tuntap";
   version = "2.0.0";
 
-  useDune2 = true;
+  duneVersion = "3";
 
-  minimumOCamlVersion = "4.04.2";
+  minimalOCamlVersion = "4.04.2";
 
   src = fetchurl {
     url = "https://github.com/mirage/ocaml-tuntap/releases/download/v${version}/tuntap-v${version}.tbz";