diff --git a/pkgs/development/ocaml-modules/atdgen/runtime.nix b/pkgs/development/ocaml-modules/atdgen/runtime.nix
new file mode 100644
index 000000000000..0fc98a1f66be
--- /dev/null
+++ b/pkgs/development/ocaml-modules/atdgen/runtime.nix
@@ -0,0 +1,15 @@
+{ buildDunePackage, atdgen-codec-runtime, biniou, camlp-streams, yojson }:
+
+buildDunePackage rec {
+  pname = "atdgen-runtime";
+  inherit (atdgen-codec-runtime) version src;
+
+  minimalOCamlVersion = "4.08";
+
+  propagatedBuildInputs = [ biniou camlp-streams yojson ];
+
+  meta = atdgen-codec-runtime.meta // {
+    description = "Runtime library for code generated by atdgen";
+  };
+
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 167a99b3c2ba..3619a844c723 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -48,6 +48,8 @@ let
 
     atdgen-codec-runtime = callPackage ../development/ocaml-modules/atdgen/codec-runtime.nix { };
 
+    atdgen-runtime = callPackage ../development/ocaml-modules/atdgen/runtime.nix { };
+
     awa = callPackage ../development/ocaml-modules/awa { };
 
     awa-lwt = callPackage ../development/ocaml-modules/awa/lwt.nix { };