diff --git a/pkgs/development/ocaml-modules/ordering/default.nix b/pkgs/development/ocaml-modules/ordering/default.nix
new file mode 100644
index 00000000000..c3bffc013f9
--- /dev/null
+++ b/pkgs/development/ocaml-modules/ordering/default.nix
@@ -0,0 +1,13 @@
+{ lib, buildDunePackage, dune_3 }:
+
+buildDunePackage {
+  pname = "ordering";
+  inherit (dune_3) version src;
+  duneVersion = "3";
+
+  dontAddPrefix = true;
+
+  meta = dune_3.meta // {
+    description = "Element ordering";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 3b7fb9c9614..f733e01aedd 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1022,6 +1022,8 @@ let
 
     opus = callPackage ../development/ocaml-modules/opus { };
 
+    ordering = callPackage ../development/ocaml-modules/ordering { };
+
     otfm = callPackage ../development/ocaml-modules/otfm { };
 
     otoml = callPackage ../development/ocaml-modules/otoml { };