diff --git a/pkgs/development/ocaml-modules/lwt-exit/default.nix b/pkgs/development/ocaml-modules/lwt-exit/default.nix
new file mode 100644
index 000000000000..34aadc8761fb
--- /dev/null
+++ b/pkgs/development/ocaml-modules/lwt-exit/default.nix
@@ -0,0 +1,34 @@
+{ lib
+, fetchFromGitLab
+, buildDunePackage
+, lwt
+, ptime
+}:
+
+buildDunePackage rec {
+  pname = "lwt-exit";
+  version = "1.0";
+  src = fetchFromGitLab {
+    owner = "nomadic-labs";
+    repo = pname;
+    rev = "${version}";
+    sha256 = "1k763bmj1asj9ijar39rh3h1d59rckmsf21h2y8966lgglsf42bd";
+  };
+
+  useDune2 = true;
+
+  minimalOCamlVersion = "4.08";
+
+  propagatedBuildInputs = [
+    lwt
+    ptime
+  ];
+
+  doCheck = true;
+
+  meta = {
+    description = "An opinionated clean-exit and signal-handling library for Lwt programs";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.ulrikstrid ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index f9f2886539fe..44de4ed9aeaf 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -649,6 +649,8 @@ let
 
     lwt-dllist = callPackage ../development/ocaml-modules/lwt-dllist { };
 
+    lwt-exit = callPackage ../development/ocaml-modules/lwt-exit { };
+
     lwt-watcher = callPackage ../development/ocaml-modules/lwt-watcher { };
 
     lwt_log = callPackage ../development/ocaml-modules/lwt_log { };