diff --git a/pkgs/development/ocaml-modules/mad/default.nix b/pkgs/development/ocaml-modules/mad/default.nix
new file mode 100644
index 00000000000..79e2fd035f5
--- /dev/null
+++ b/pkgs/development/ocaml-modules/mad/default.nix
@@ -0,0 +1,23 @@
+{ lib, buildDunePackage, fetchFromGitHub, dune-configurator, libmad }:
+
+buildDunePackage rec {
+  pname = "mad";
+  version = "0.5.2";
+
+  src = fetchFromGitHub {
+    owner = "savonet";
+    repo = "ocaml-mad";
+    rev = "v${version}";
+    sha256 = "sha256-iJjANV2M68v3C3db1n9Y8V6yJKuDBDSjtMteamndN7U=";
+  };
+
+  buildInputs = [ dune-configurator ];
+  propagatedBuildInputs = [ libmad ];
+
+  meta = with lib; {
+    homepage = "https://github.com/savonet/ocaml-mad";
+    description = "Bindings for the mad library which provides functions for encoding wave audio files into mp3";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ dandellion ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 88fe98c4fef..c3577cc1bff 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -746,6 +746,8 @@ let
 
     macaque = callPackage ../development/ocaml-modules/macaque { };
 
+    mad = callPackage ../development/ocaml-modules/mad { };
+
     magic = callPackage ../development/ocaml-modules/magic { };
 
     magic-mime = callPackage ../development/ocaml-modules/magic-mime { };