diff --git a/pkgs/development/ocaml-modules/functoria/runtime.nix b/pkgs/development/ocaml-modules/functoria/runtime.nix
index 45af2438f55b..16978f71fbdd 100644
--- a/pkgs/development/ocaml-modules/functoria/runtime.nix
+++ b/pkgs/development/ocaml-modules/functoria/runtime.nix
@@ -7,11 +7,11 @@
 
 buildDunePackage rec {
   pname = "functoria-runtime";
-  version = "4.4.1";
+  version = "4.4.2";
 
   src = fetchurl {
     url = "https://github.com/mirage/mirage/releases/download/v${version}/mirage-${version}.tbz";
-    hash = "sha256-FKCdzrRJVpUrCWqrTiE8l00ZKJOYsvI9mNzJ0ZxDBwg=";
+    hash = "sha256-fPJou5EYmIFfa54BMiFvS7BKQq0u1pkA9MVHXt8boPk=";
   };
 
   minimalOCamlVersion = "4.08";