diff --git a/pkgs/development/ocaml-modules/ppx_deriving_cmdliner/default.nix b/pkgs/development/ocaml-modules/ppx_deriving_cmdliner/default.nix
index 5bf70a05650..f5d769efcfd 100644
--- a/pkgs/development/ocaml-modules/ppx_deriving_cmdliner/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_deriving_cmdliner/default.nix
@@ -14,6 +14,7 @@ buildDunePackage rec {
   version = "0.6.1";
 
   minimalOCamlVersion = "4.11";
+  duneVersion = "3";
 
   src = fetchFromGitHub {
     owner = "hammerlab";