diff --git a/pkgs/development/ocaml-modules/earlybird/default.nix b/pkgs/development/ocaml-modules/earlybird/default.nix
index decbb411767..b36874d49da 100644
--- a/pkgs/development/ocaml-modules/earlybird/default.nix
+++ b/pkgs/development/ocaml-modules/earlybird/default.nix
@@ -10,6 +10,8 @@ buildDunePackage rec {
   pname = "earlybird";
   version = "0.1.5";
 
+  useDune2 = true;
+
   minimumOCamlVersion = "4.04";
 
   src = fetchurl {