diff --git a/pkgs/development/ocaml-modules/owl-base/default.nix b/pkgs/development/ocaml-modules/owl-base/default.nix
index 189359cd1c86..32eef1193650 100644
--- a/pkgs/development/ocaml-modules/owl-base/default.nix
+++ b/pkgs/development/ocaml-modules/owl-base/default.nix
@@ -4,14 +4,14 @@ buildDunePackage rec {
   pname = "owl-base";
   version = "1.0.2";
 
-  useDune2 = true;
+  duneVersion = "3";
 
   src = fetchurl {
     url = "https://github.com/owlbarn/owl/releases/download/${version}/owl-${version}.tbz";
-    sha256 = "sha256-ONIQzmwcLwljH9WZUUMOTzZLWuA2xx7RsyzlWbKikmM=";
+    hash = "sha256-ONIQzmwcLwljH9WZUUMOTzZLWuA2xx7RsyzlWbKikmM=";
   };
 
-  minimumOCamlVersion = "4.10";
+  minimalOCamlVersion = "4.10";
 
   meta = with lib; {
     description = "Numerical computing library for Ocaml";
diff --git a/pkgs/development/ocaml-modules/owl/default.nix b/pkgs/development/ocaml-modules/owl/default.nix
index 6e77b6312fa4..ac294648d217 100644
--- a/pkgs/development/ocaml-modules/owl/default.nix
+++ b/pkgs/development/ocaml-modules/owl/default.nix
@@ -14,7 +14,9 @@
 buildDunePackage rec {
   pname = "owl";
 
-  inherit (owl-base) version src meta useDune2;
+  inherit (owl-base) version src meta;
+
+  duneVersion = "3";
 
   checkInputs = [ alcotest ];
   buildInputs = [ dune-configurator stdio ];