diff --git a/pkgs/development/ocaml-modules/pgocaml/ppx.nix b/pkgs/development/ocaml-modules/pgocaml/ppx.nix
new file mode 100644
index 000000000000..f8bc4a40e7f9
--- /dev/null
+++ b/pkgs/development/ocaml-modules/pgocaml/ppx.nix
@@ -0,0 +1,8 @@
+{ buildDunePackage, pgocaml, ppx_tools, ppx_tools_versioned, rresult }:
+
+buildDunePackage {
+  pname = "pgocaml_ppx";
+  inherit (pgocaml) src version meta;
+
+  propagatedBuildInputs = [ pgocaml ppx_tools ppx_tools_versioned rresult ];
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index baa1d862e53e..dc7abbd15a62 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -623,6 +623,8 @@ let
 
     pgocaml = callPackage ../development/ocaml-modules/pgocaml {};
 
+    pgocaml_ppx = callPackage ../development/ocaml-modules/pgocaml/ppx.nix {};
+
     ocaml-sat-solvers = callPackage ../development/ocaml-modules/ocaml-sat-solvers { };
 
     ocamlscript = callPackage ../development/tools/ocaml/ocamlscript { };