diff --git a/pkgs/development/ocaml-modules/mirage-random-test/default.nix b/pkgs/development/ocaml-modules/mirage-random-test/default.nix
new file mode 100644
index 000000000000..81d75db77251
--- /dev/null
+++ b/pkgs/development/ocaml-modules/mirage-random-test/default.nix
@@ -0,0 +1,30 @@
+{ lib, buildDunePackage, fetchurl
+, cstruct, mirage-random
+}:
+
+buildDunePackage rec {
+  pname = "mirage-random-test";
+  version = "0.1.0";
+
+  minimumOCamlVersion = "4.06";
+
+  # due to cstruct
+  useDune2 = true;
+
+  src = fetchurl {
+    url = "https://github.com/mirage/${pname}/releases/download/v${version}/${pname}-v${version}.tbz";
+    sha256 = "1jmjyb9a4v7l0xxgdwpr9zshzr8xk3hybra6y2dp51anbwk8kv46";
+  };
+
+  propagatedBuildInputs = [
+    cstruct
+    mirage-random
+  ];
+
+  meta = with lib; {
+    description = "Stub random device implementation for testing";
+    homepage = "https://github.com/mirage/mirage-random";
+    license = licenses.isc;
+    maintainers = [ maintainers.sternenseemann ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index b34f5f9c2a61..001749123e2c 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -595,6 +595,8 @@ let
 
     mirage-random = callPackage ../development/ocaml-modules/mirage-random { };
 
+    mirage-random-test = callPackage ../development/ocaml-modules/mirage-random-test { };
+
     mirage-runtime = callPackage ../development/ocaml-modules/mirage/runtime.nix { };
 
     mirage-stack = callPackage ../development/ocaml-modules/mirage-stack { };