diff --git a/pkgs/development/ocaml-modules/lwt_react/default.nix b/pkgs/development/ocaml-modules/lwt_react/default.nix
new file mode 100644
index 000000000000..022a60dcc66f
--- /dev/null
+++ b/pkgs/development/ocaml-modules/lwt_react/default.nix
@@ -0,0 +1,21 @@
+{ stdenv, fetchzip, ocaml, findlib, ocamlbuild, lwt, ocaml_react }:
+
+stdenv.mkDerivation rec {
+	version = "1.0.1";
+	name = "ocaml${ocaml.version}-lwt_react-${version}";
+	src = fetchzip {
+		url = https://github.com/ocsigen/lwt/releases/download/3.0.0/lwt_react-1.0.1.tar.gz;
+		sha256 = "1bbz7brvdskf4angzn3q2s2s6qdnx7x8m8syayysh23gwv4c7v31";
+	};
+
+	buildInputs = [ ocaml findlib ocamlbuild ];
+
+	propagatedBuildInputs = [ lwt ocaml_react ];
+
+	createFindlibDestdir = true;
+
+	meta = {
+		description = "Helpers for using React with Lwt";
+		inherit (lwt.meta) homepage license maintainers platforms;
+	};
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 6b8fc96bf88a..5537196d15c2 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -308,6 +308,10 @@ let
       }
       else throw "lwt3 is not available for OCaml ${ocaml.version}";
 
+    lwt_react = callPackage ../development/ocaml-modules/lwt_react {
+      lwt = lwt3;
+    };
+
     macaque = callPackage ../development/ocaml-modules/macaque { };
 
     magic-mime = callPackage ../development/ocaml-modules/magic-mime { };