diff --git a/pkgs/development/ocaml-modules/ppx_tools_versioned/default.nix b/pkgs/development/ocaml-modules/ppx_tools_versioned/default.nix
index 59ac187a6718..78915135a0c7 100644
--- a/pkgs/development/ocaml-modules/ppx_tools_versioned/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_tools_versioned/default.nix
@@ -4,7 +4,7 @@ buildDunePackage rec {
   pname = "ppx_tools_versioned";
   version = "5.4.0";
 
-  useDune2 = true;
+  duneVersion = "3";
 
   src = fetchFromGitHub {
     owner = "ocaml-ppx";