diff --git a/pkgs/development/ocaml-modules/opus/default.nix b/pkgs/development/ocaml-modules/opus/default.nix
new file mode 100644
index 000000000000..30e461b9f9a0
--- /dev/null
+++ b/pkgs/development/ocaml-modules/opus/default.nix
@@ -0,0 +1,26 @@
+{ lib, buildDunePackage, fetchFromGitHub, dune-configurator, pkg-config, ogg, libopus }:
+
+buildDunePackage rec {
+  pname = "opus";
+  version = "0.2.1";
+
+  useDune2 = true;
+
+  src = fetchFromGitHub {
+    owner = "savonet";
+    repo = "ocaml-opus";
+    rev = "v${version}";
+    sha256 = "09mgnprhhs1adqm25c0qjhknswbh6va3jknq06fnp1jszszcjf4s";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ dune-configurator ];
+  propagatedBuildInputs = [ ogg libopus.dev ];
+
+  meta = with lib; {
+    homepage = "https://github.com/savonet/ocaml-opus";
+    description = "Bindings to libopus";
+    license = licenses.gpl2Only;
+    maintainers = with maintainers; [ dandellion ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index b8cb15290fc2..0cf5cc3dab59 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1028,6 +1028,8 @@ let
 
     optint = callPackage ../development/ocaml-modules/optint { };
 
+    opus = callPackage ../development/ocaml-modules/opus { };
+
     otfm = callPackage ../development/ocaml-modules/otfm { };
 
     otoml = callPackage ../development/ocaml-modules/otoml { };