diff --git a/pkgs/development/ocaml-modules/dap/default.nix b/pkgs/development/ocaml-modules/dap/default.nix
index 6d14945ee15..054020ba64e 100644
--- a/pkgs/development/ocaml-modules/dap/default.nix
+++ b/pkgs/development/ocaml-modules/dap/default.nix
@@ -5,13 +5,13 @@
 buildDunePackage rec {
   pname = "dap";
   version = "1.0.6";
-  useDune2 = true;
+  duneVersion = "3";
   src = fetchurl {
     url = "https://github.com/hackwaly/ocaml-dap/releases/download/${version}/dap-${version}.tbz";
     sha256 = "1zq0f8429m38a4x3h9n3rv7n1vsfjbs72pfi5902a89qwyilkcp0";
   };
 
-  minimumOCamlVersion = "4.08";
+  minimalOCamlVersion = "4.08";
 
   buildInputs = [
     lwt_ppx