diff --git a/pkgs/development/ocaml-modules/visitors/default.nix b/pkgs/development/ocaml-modules/visitors/default.nix
index 42c077e24a8..d904b92a0ac 100644
--- a/pkgs/development/ocaml-modules/visitors/default.nix
+++ b/pkgs/development/ocaml-modules/visitors/default.nix
@@ -4,9 +4,9 @@ buildDunePackage rec {
   pname = "visitors";
   version = "20210608";
 
-  useDune2 = true;
+  duneVersion = "3";
 
-  minimumOCamlVersion = "4.08";
+  minimalOCamlVersion = "4.08";
 
   src = fetchFromGitLab {
     owner = "fpottier";