diff --git a/pkgs/development/ocaml-modules/lun/default.nix b/pkgs/development/ocaml-modules/lun/default.nix
index 7e6c615f1663..4d78e72c9c0b 100644
--- a/pkgs/development/ocaml-modules/lun/default.nix
+++ b/pkgs/development/ocaml-modules/lun/default.nix
@@ -6,13 +6,13 @@
 
 buildDunePackage (finalAttrs: {
   pname = "lun";
-  version = "0.0.2";
+  version = "0.0.3";
 
   minimalOCamlVersion = "4.12.0";
 
   src = fetchurl {
     url = "https://github.com/robur-coop/lun/releases/download/v${finalAttrs.version}/lun-${finalAttrs.version}.tbz";
-    hash = "sha256-1oqjTXY+/jJT1uQOV6iiK9qV9DAmERYsL2BtentmB8I=";
+    hash = "sha256-d/LIzil/ecCQffPyk2e7Iy6zOD9sfOhk2jsSLENUp0U=";
   };
 
   meta = {