diff --git a/pkgs/development/ocaml-modules/theora/default.nix b/pkgs/development/ocaml-modules/theora/default.nix
new file mode 100644
index 000000000000..0f7b4aca1c79
--- /dev/null
+++ b/pkgs/development/ocaml-modules/theora/default.nix
@@ -0,0 +1,25 @@
+{ lib, buildDunePackage, fetchFromGitHub, dune-configurator, ogg, libtheora }:
+
+buildDunePackage rec {
+  pname = "theora";
+  version = "0.4.0";
+
+  useDune2 = true;
+
+  src = fetchFromGitHub {
+    owner = "savonet";
+    repo = "ocaml-theora";
+    rev = "v${version}";
+    sha256 = "1sggjmlrx4idkih1ddfk98cgpasq60haj4ykyqbfs22cmii5gpal";
+  };
+
+  buildInputs = [ dune-configurator ];
+  propagatedBuildInputs = [ ogg libtheora ];
+
+  meta = with lib; {
+    homepage = "https://github.com/savonet/ocaml-theora";
+    description = "Bindings to libtheora";
+    license = licenses.gpl2Only;
+    maintainers = with maintainers; [ dandellion ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index e431c69afba8..eddf86d6d0be 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1384,6 +1384,8 @@ let
     tezos-version = callPackage ../development/ocaml-modules/tezos/version.nix { };
     tezos-workers = callPackage ../development/ocaml-modules/tezos/workers.nix { };
 
+    theora = callPackage ../development/ocaml-modules/theora { };
+
     toml = callPackage ../development/ocaml-modules/toml { };
 
     topkg = callPackage ../development/ocaml-modules/topkg { };