diff --git a/pkgs/development/ocaml-modules/xdg/default.nix b/pkgs/development/ocaml-modules/xdg/default.nix
new file mode 100644
index 00000000000..8d3810fa7e9
--- /dev/null
+++ b/pkgs/development/ocaml-modules/xdg/default.nix
@@ -0,0 +1,17 @@
+{ lib, buildDunePackage, dune_3 }:
+
+buildDunePackage rec {
+  pname = "xdg";
+  inherit (dune_3) src version;
+
+  duneVersion = "3";
+
+  dontAddPrefix = true;
+
+  meta = with lib; {
+    description = "XDG Base Directory Specification";
+    inherit (dune_3.meta) homepage;
+    maintainers = with lib.maintainers; [ ];
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 1d2124078aa..8d39ad32044 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1475,6 +1475,8 @@ let
 
     x509 = callPackage ../development/ocaml-modules/x509 { };
 
+    xdg = callPackage ../development/ocaml-modules/xdg { };
+
     xenstore = callPackage ../development/ocaml-modules/xenstore { };
 
     xenstore_transport = callPackage ../development/ocaml-modules/xenstore_transport { };