diff --git a/pkgs/development/ocaml-modules/ocamlc-loc/default.nix b/pkgs/development/ocaml-modules/ocamlc-loc/default.nix
new file mode 100644
index 000000000000..931f40e0d23b
--- /dev/null
+++ b/pkgs/development/ocaml-modules/ocamlc-loc/default.nix
@@ -0,0 +1,24 @@
+{ lib, buildDunePackage, dune_3, dyn }:
+
+buildDunePackage {
+  pname = "ocamlc-loc";
+  inherit (dune_3) src version;
+  duneVersion = "3";
+
+  dontAddPrefix = true;
+
+  preBuild = ''
+    rm -rf vendor/csexp
+    rm -rf vendor/pp
+  '';
+
+  minimumOCamlVersion = "4.08";
+
+  propagatedBuildInputs = [ dyn ];
+
+  meta = with lib; {
+    description = "Parse ocaml compiler output into structured form";
+    maintainers = [ maintainers.ulrikstrid ];
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 7276fab86d8a..0a218ef11d9d 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -956,6 +956,8 @@ let
     else
     null;
 
+    ocamlc-loc = callPackage ../development/ocaml-modules/ocamlc-loc { };
+
     ocaml_cryptgps = callPackage ../development/ocaml-modules/cryptgps { };
 
     ocaml_expat =