2 files changed, 4 insertions, 2 deletions
diff --git a/pkgs/development/ocaml-modules/ocf/default.nix b/pkgs/development/ocaml-modules/ocf/default.nix
index 30f589e75613..5e3c76be1a33 100644
--- a/pkgs/development/ocaml-modules/ocf/default.nix
+++ b/pkgs/development/ocaml-modules/ocf/default.nix
@@ -3,7 +3,7 @@
 buildDunePackage rec {
   pname = "ocf";
   version = "0.8.0";
-  useDune2 = true;
+  duneVersion = "3";
   minimalOCamlVersion = "4.03";
   src = fetchFromGitLab {
     domain = "framagit.org";
diff --git a/pkgs/development/ocaml-modules/ocf/ppx.nix b/pkgs/development/ocaml-modules/ocf/ppx.nix
index 0b1f6998ccad..7538bdeca167 100644
--- a/pkgs/development/ocaml-modules/ocf/ppx.nix
+++ b/pkgs/development/ocaml-modules/ocf/ppx.nix
@@ -4,7 +4,9 @@ buildDunePackage {
   pname = "ocf_ppx";
   minimalOCamlVersion = "4.11";
 
-  inherit (ocf) src version useDune2;
+  inherit (ocf) src version;
+
+  duneVersion = "3";
 
   buildInputs = [ ppxlib ocf ];