diff --git a/pkgs/development/ocaml-modules/happy-eyeballs/default.nix b/pkgs/development/ocaml-modules/happy-eyeballs/default.nix
index d51943a5cdc2..4e1eb163e374 100644
--- a/pkgs/development/ocaml-modules/happy-eyeballs/default.nix
+++ b/pkgs/development/ocaml-modules/happy-eyeballs/default.nix
@@ -4,13 +4,13 @@
 
 buildDunePackage rec {
   pname = "happy-eyeballs";
-  version = "1.1.0";
+  version = "1.2.2";
 
   minimalOCamlVersion = "4.08";
 
   src = fetchurl {
     url = "https://github.com/roburio/happy-eyeballs/releases/download/v${version}/happy-eyeballs-${version}.tbz";
-    hash = "sha256-zmZwueHs9be8M5x8Zm2rjPJb6bryDNTAeE8SEFtP3ME=";
+    hash = "sha256-Cl0CZwQMwrmwMaidfqp8PyG57rYV2VOUVVW9ECVlLq8=";
   };
 
   propagatedBuildInputs = [