1 files changed, 6 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/yaml/yaml-sexp.nix b/nixpkgs/pkgs/development/ocaml-modules/yaml/yaml-sexp.nix
index aa8566ea6087..e0cc9fac177d 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/yaml/yaml-sexp.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/yaml/yaml-sexp.nix
@@ -1,14 +1,17 @@
-{ lib, fetchurl, buildDunePackage, yaml, dune-configurator, ppx_sexp_conv, sexplib }:
+{ lib, fetchurl, buildDunePackage, yaml, dune-configurator, ppx_sexp_conv, sexplib
+, junit_alcotest
+}:
 
 buildDunePackage rec {
   pname = "yaml-sexp";
 
   inherit (yaml) version src;
 
-  duneVersion = "3";
-
   propagatedBuildInputs = [ yaml ppx_sexp_conv sexplib ];
 
+  doCheck = true;
+  checkInputs = [ junit_alcotest ];
+
   meta = yaml.meta // {
     description = "ocaml-yaml with sexp support";
   };