diff --git a/pkgs/development/ocaml-modules/kdl/default.nix b/pkgs/development/ocaml-modules/kdl/default.nix
new file mode 100644
index 000000000000..bd30bc8c8747
--- /dev/null
+++ b/pkgs/development/ocaml-modules/kdl/default.nix
@@ -0,0 +1,47 @@
+{
+  lib,
+  fetchFromGitHub,
+  buildDunePackage,
+  menhir,
+  menhirLib,
+  ppx_expect,
+  sexplib0,
+  zarith,
+}:
+
+buildDunePackage rec {
+  pname = "kdl";
+  version = "0.2.0";
+
+  minimalOCamlVersion = "4.14";
+
+  nativeBuildInputs = [
+    menhir
+  ];
+
+  propagatedBuildInputs = [
+    menhirLib
+    sexplib0
+  ];
+
+  checkInputs = [
+    ppx_expect
+    zarith
+  ];
+
+  doCheck = true;
+
+  src = fetchFromGitHub {
+    owner = "eilvelia";
+    repo = "ocaml-kdl";
+    tag = "v${version}";
+    hash = "sha256-0MiJe0XbWAlS2NvGxLplsgVfCNaA/7iCMx4+F+6FAtM=";
+  };
+
+  meta = {
+    description = "OCaml implementation of the KDL Document Language v2";
+    license = lib.licenses.mpl20;
+    maintainers = with lib.maintainers; [ toastal ];
+    homepage = "https://github.com/eilvelia/ocaml-kdl";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 5ccb767f9f93..b77ac0a0ac67 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -968,6 +968,8 @@ let
 
         kdf = callPackage ../development/ocaml-modules/kdf { };
 
+        kdl = callPackage ../development/ocaml-modules/kdl { };
+
         ke = callPackage ../development/ocaml-modules/ke { };
 
         kicadsch = callPackage ../development/ocaml-modules/kicadsch { };