1 files changed, 3 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/odoc/default.nix b/nixpkgs/pkgs/development/ocaml-modules/odoc/default.nix
index c7ff41cebb37..43ec9da28834 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/odoc/default.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/odoc/default.nix
@@ -6,15 +6,13 @@
 
 buildDunePackage rec {
   pname = "odoc";
-  version = "2.2.0";
+  version = "2.2.1";
 
   src = fetchurl {
     url = "https://github.com/ocaml/odoc/releases/download/${version}/odoc-${version}.tbz";
-    sha256 = "sha256-aBjJcfwMPu2dPRQzifgHObFhivcLn9tEOzW9fwEhdAw=";
+    sha256 = "sha256-F4blO/CCT+HHx7gdKn2EaEal0RZ3lp5jljYfd6OBaAM=";
   };
 
-  duneVersion = "3";
-
   nativeBuildInputs = [ cppo ];
   buildInputs = [ astring cmdliner fpath result tyxml odoc-parser fmt ];
 
@@ -35,5 +33,6 @@ buildDunePackage rec {
     license = lib.licenses.isc;
     maintainers = [ lib.maintainers.vbgl ];
     homepage = "https://github.com/ocaml/odoc";
+    changelog = "https://github.com/ocaml/odoc/blob/${version}/CHANGES.md";
   };
 }