diff --git a/pkgs/development/ocaml-modules/postgresql/default.nix b/pkgs/development/ocaml-modules/postgresql/default.nix
index ab78b3f524a6..817bffd50b59 100644
--- a/pkgs/development/ocaml-modules/postgresql/default.nix
+++ b/pkgs/development/ocaml-modules/postgresql/default.nix
@@ -1,26 +1,24 @@
-{ lib, fetchFromGitHub, buildDunePackage, dune-configurator, libpq }:
+{ lib, fetchurl, buildDunePackage, pkg-config, dune-configurator, libpq }:
 
 buildDunePackage rec {
   pname = "postgresql";
-  version = "5.0.0";
+  version = "5.1.3";
 
-  useDune2 = true;
+  minimalOCamlVersion = "4.12";
 
-  minimalOCamlVersion = "4.08";
-
-  src = fetchFromGitHub {
-    owner = "mmottl";
-    repo = "postgresql-ocaml";
-    rev = version;
-    sha256 = "1i4pnh2v00i0s7s9pcwz1x6s4xcd77d08gjjkvy0fmda6mqq6ghn";
+  src = fetchurl {
+    url = "https://github.com/mmottl/postgresql-ocaml/releases/download/${version}/postgresql-${version}.tbz";
+    hash = "sha256-RipVP8mj+tYwO8LrVASvVc36ZAJYjMI4x6Uj5J50Eww=";
   };
 
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ dune-configurator ];
   propagatedBuildInputs = [ libpq ];
 
   meta = {
     description = "Bindings to the PostgreSQL library";
     license = lib.licenses.lgpl21Plus;
+    changelog = "https://raw.githubusercontent.com/mmottl/postgresql-ocaml/refs/tags/${version}/CHANGES.md";
     maintainers = with lib.maintainers; [ bcc32 ];
     homepage = "https://mmottl.github.io/postgresql-ocaml";
   };