diff --git a/pkgs/development/ocaml-modules/uutf/default.nix b/pkgs/development/ocaml-modules/uutf/default.nix
index 0908650560b8..f1fbaa1ab569 100644
--- a/pkgs/development/ocaml-modules/uutf/default.nix
+++ b/pkgs/development/ocaml-modules/uutf/default.nix
@@ -8,46 +8,52 @@
   cmdliner,
   topkg,
   uchar,
+  version ?
+    if lib.versionAtLeast ocaml.version "4.08" then
+      "1.0.4"
+    else if lib.versionAtLeast ocaml.version "4.03" then
+      "1.0.3"
+    else
+      throw "uutf is not available with OCaml ${ocaml.version}",
 }:
-let
-  pname = "uutf";
-in
 
-lib.throwIfNot (lib.versionAtLeast ocaml.version "4.03")
-  "${pname} is not available with OCaml ${ocaml.version}"
+stdenv.mkDerivation {
+  name = "ocaml${ocaml.version}-uutf-${version}";
+  inherit version;
 
-  stdenv.mkDerivation
-  rec {
-    name = "ocaml${ocaml.version}-${pname}-${version}";
-    version = "1.0.3";
+  src = fetchurl {
+    url = "https://erratique.ch/software/uutf/releases/uutf-${version}.tbz";
+    hash =
+      {
+        "1.0.3" = "sha256-h3KlYT0ecCmM4U3zMkGjaF8h5O9r20zwP+mF+x7KBWg=";
+        "1.0.4" = "sha256-p6V45q+RSaiJThjjtHWchWWTemnGyaznowu/BIRhnKg=";
+      }
+      ."${version}";
+  };
 
-    src = fetchurl {
-      url = "https://erratique.ch/software/${pname}/releases/${pname}-${version}.tbz";
-      sha256 = "sha256-h3KlYT0ecCmM4U3zMkGjaF8h5O9r20zwP+mF+x7KBWg=";
-    };
+  nativeBuildInputs = [
+    ocaml
+    ocamlbuild
+    findlib
+    topkg
+  ];
+  buildInputs = [
+    topkg
+    cmdliner
+  ];
+  propagatedBuildInputs = [ uchar ];
 
-    nativeBuildInputs = [
-      ocaml
-      ocamlbuild
-      findlib
-      topkg
-    ];
-    buildInputs = [
-      topkg
-      cmdliner
-    ];
-    propagatedBuildInputs = [ uchar ];
+  strictDeps = true;
 
-    strictDeps = true;
+  inherit (topkg) buildPhase installPhase;
 
-    inherit (topkg) buildPhase installPhase;
-
-    meta = with lib; {
-      description = "Non-blocking streaming Unicode codec for OCaml";
-      homepage = "https://erratique.ch/software/uutf";
-      license = licenses.bsd3;
-      maintainers = [ maintainers.vbgl ];
-      mainProgram = "utftrip";
-      inherit (ocaml.meta) platforms;
-    };
-  }
+  meta = with lib; {
+    description = "Non-blocking streaming Unicode codec for OCaml";
+    homepage = "https://erratique.ch/software/uutf";
+    changelog = "https://raw.githubusercontent.com/dbuenzli/uutf/refs/tags/v${version}/CHANGES.md";
+    license = licenses.isc;
+    maintainers = [ maintainers.vbgl ];
+    mainProgram = "utftrip";
+    inherit (ocaml.meta) platforms;
+  };
+}