diff --git a/pkgs/development/ocaml-modules/happy-eyeballs/miou-unix.nix b/pkgs/development/ocaml-modules/happy-eyeballs/miou-unix.nix
new file mode 100644
index 000000000000..de396a05174e
--- /dev/null
+++ b/pkgs/development/ocaml-modules/happy-eyeballs/miou-unix.nix
@@ -0,0 +1,38 @@
+{
+  buildDunePackage,
+  happy-eyeballs,
+  cmdliner,
+  duration,
+  domain-name,
+  fmt,
+  ipaddr,
+  logs,
+  miou,
+  mtime,
+}:
+
+buildDunePackage {
+  pname = "happy-eyeballs-miou-unix";
+  inherit (happy-eyeballs) src version;
+
+  buildInputs = [
+    cmdliner
+    duration
+    domain-name
+    fmt
+    ipaddr
+    mtime
+  ];
+
+  propagatedBuildInputs = [
+    happy-eyeballs
+    logs
+    miou
+  ];
+
+  doCheck = true;
+
+  meta = happy-eyeballs.meta // {
+    description = "Connecting to a remote host via IP version 4 or 6 using Miou";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 72e6b416bb44..bd48025f6d96 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -786,6 +786,10 @@ let
 
         happy-eyeballs-lwt = callPackage ../development/ocaml-modules/happy-eyeballs/lwt.nix { };
 
+        happy-eyeballs-miou-unix =
+          callPackage ../development/ocaml-modules/happy-eyeballs/miou-unix.nix
+            { };
+
         happy-eyeballs-mirage = callPackage ../development/ocaml-modules/happy-eyeballs/mirage.nix { };
 
         hashcons = callPackage ../development/ocaml-modules/hashcons { };