1 files changed, 2 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/crowbar/default.nix b/nixpkgs/pkgs/development/ocaml-modules/crowbar/default.nix
index d05d15286bf7..e114e7d8433a 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/crowbar/default.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/crowbar/default.nix
@@ -5,6 +5,8 @@ buildDunePackage rec {
   pname = "crowbar";
   version = "0.2";
 
+  useDune2 = true;
+
   src = fetchFromGitHub {
     owner  = "stedolan";
     repo   = pname;