diff --git a/pkgs/development/ocaml-modules/rpclib/lwt.nix b/pkgs/development/ocaml-modules/rpclib/lwt.nix
new file mode 100644
index 00000000000..49f71847498
--- /dev/null
+++ b/pkgs/development/ocaml-modules/rpclib/lwt.nix
@@ -0,0 +1,18 @@
+{ lib, buildDunePackage, rpclib
+, lwt
+, alcotest-lwt, ppx_deriving_rpc, yojson
+}:
+
+buildDunePackage {
+  pname = "rpclib-lwt";
+  inherit (rpclib) version useDune2 src;
+
+  propagatedBuildInputs = [ lwt rpclib ];
+
+  checkInputs = [ alcotest-lwt ppx_deriving_rpc yojson ];
+  doCheck = true;
+
+  meta = rpclib.meta // {
+    description = "A library to deal with RPCs in OCaml - Lwt interface";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 316666ca6d8..a72b5218070 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -936,6 +936,8 @@ let
 
     rpclib = callPackage ../development/ocaml-modules/rpclib { };
 
+    rpclib-lwt = callPackage ../development/ocaml-modules/rpclib/lwt.nix { };
+
     rresult = callPackage ../development/ocaml-modules/rresult { };
 
     safepass = callPackage ../development/ocaml-modules/safepass { };