diff --git a/pkgs/development/ocaml-modules/rosetta/default.nix b/pkgs/development/ocaml-modules/rosetta/default.nix
index 78eaf6a01b71..41b684504d3d 100644
--- a/pkgs/development/ocaml-modules/rosetta/default.nix
+++ b/pkgs/development/ocaml-modules/rosetta/default.nix
@@ -9,11 +9,11 @@
 
 buildDunePackage (finalAttrs: {
   pname = "rosetta";
-  version = "0.3.0";
+  version = "0.4.0";
 
   src = fetchzip {
-    url = "https://github.com/mirage/rosetta/releases/download/v${finalAttrs.version}/rosetta-v${finalAttrs.version}.tbz";
-    sha256 = "1gzp3fbk8qd207cm25dgj9kj7b44ldqpjs63pl6xqvi9hx60m3ij";
+    url = "https://github.com/mirage/rosetta/releases/download/v${finalAttrs.version}/rosetta-${finalAttrs.version}.tbz";
+    hash = "sha256-LFdkwHBppDXE5q6mcDPWX1PreSVEsV9msq6rEmCWVwA=";
   };
 
   duneVersion = "3";