diff --git a/pkgs/development/ocaml-modules/happy-eyeballs/default.nix b/pkgs/development/ocaml-modules/happy-eyeballs/default.nix
new file mode 100644
index 000000000000..dcd6c433d77d
--- /dev/null
+++ b/pkgs/development/ocaml-modules/happy-eyeballs/default.nix
@@ -0,0 +1,30 @@
+{ lib, buildDunePackage, fetchurl
+, domain-name, duration, fmt, ipaddr, logs
+}:
+
+buildDunePackage rec {
+  pname = "happy-eyeballs";
+  version = "0.1.3";
+
+  minimalOCamlVersion = "4.08";
+
+  src = fetchurl {
+    url = "https://github.com/roburio/happy-eyeballs/releases/download/v${version}/happy-eyeballs-${version}.tbz";
+    sha256 = "sha256:0ns1bxcmx0rkq4am6vl2aargdzkfhria8sfmgnh8dgzvvj93cc1c";
+  };
+
+  propagatedBuildInputs = [
+    domain-name
+    duration
+    fmt
+    ipaddr
+    logs
+  ];
+
+  meta = {
+    description = "Connecting to a remote host via IP version 4 or 6";
+    homepage = "https://github.com/roburio/happy-eyeballs";
+    license = lib.licenses.isc;
+    maintainers = [ lib.maintainers.vbgl ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index fa2b83b0a47a..bc315c0675b7 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -505,6 +505,8 @@ let
     hacl-star = callPackage ../development/ocaml-modules/hacl-star { };
     hacl-star-raw = callPackage ../development/ocaml-modules/hacl-star/raw.nix { };
 
+    happy-eyeballs = callPackage ../development/ocaml-modules/happy-eyeballs { };
+
     hashcons = callPackage ../development/ocaml-modules/hashcons { };
 
     herelib = callPackage ../development/ocaml-modules/herelib { };