1 files changed, 6 insertions, 2 deletions
diff --git a/pkgs/development/ocaml-modules/janestreet/janePackage_0_12.nix b/pkgs/development/ocaml-modules/janestreet/janePackage_0_12.nix
index 6c7d746e948..ebde7b240ef 100644
--- a/pkgs/development/ocaml-modules/janestreet/janePackage_0_12.nix
+++ b/pkgs/development/ocaml-modules/janestreet/janePackage_0_12.nix
@@ -1,12 +1,14 @@
 { lib, fetchFromGitHub, buildDunePackage, defaultVersion ? "0.12.0" }:
 
-{ pname, version ? defaultVersion, hash, ...}@args:
+{ pname, version ? defaultVersion, hash, buildInputs ? [], ...}@args:
 
 buildDunePackage (args // {
-  inherit version;
+  inherit version buildInputs;
 
   minimumOCamlVersion = "4.07";
 
+  useDune2 = true;
+
   src = fetchFromGitHub {
     owner = "janestreet";
     repo = pname;
@@ -14,6 +16,8 @@ buildDunePackage (args // {
     sha256 = hash;
   };
 
+  strictDeps = true;
+
   meta = {
     license = lib.licenses.mit;
     homepage = "https://github.com/janestreet/${pname}";