diff --git a/pkgs/development/ocaml-modules/otoml/default.nix b/pkgs/development/ocaml-modules/otoml/default.nix
index d69df70f772f..3f06a098d0e1 100644
--- a/pkgs/development/ocaml-modules/otoml/default.nix
+++ b/pkgs/development/ocaml-modules/otoml/default.nix
@@ -8,9 +8,7 @@
 
 buildDunePackage rec {
   pname = "otoml";
-  version = "1.0.1";
-
-  useDune2 = true;
+  version = "1.0.2";
 
   minimalOCamlVersion = "4.08";
 
@@ -18,7 +16,7 @@ buildDunePackage rec {
     owner = "dmbaturin";
     repo = pname;
     rev = version;
-    sha256 = "sha256-2WGuq4ZLbLvfG6WZ3iimiSMqMYHCuruZc1EttZ/5rBE=";
+    sha256 = "sha256-Xd3fHBN1f+tvgRFCxD/Gz8/lIvezknz7Zy3EtdqoTEM=";
   };
 
   strictDeps = true;
@@ -29,6 +27,7 @@ buildDunePackage rec {
 
   meta = {
     description = "A TOML parsing and manipulation library for OCaml";
+    changelog = "https://github.com/dmbaturin/otoml/raw/${version}/CHANGELOG.md";
     license = lib.licenses.mit;
     maintainers = [ lib.maintainers.vbgl ];
     inherit (src.meta) homepage;