diff --git a/pkgs/development/python-modules/skl2onnx/default.nix b/pkgs/development/python-modules/skl2onnx/default.nix
index 21be7c7cbb17..762a9017aa4e 100644
--- a/pkgs/development/python-modules/skl2onnx/default.nix
+++ b/pkgs/development/python-modules/skl2onnx/default.nix
@@ -14,14 +14,14 @@
   unittestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "skl2onnx";
-  version = "1.19.1";
+  version = "1.20.0";
   pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-DBBfKjuHpiTdIY0fuY/dGc8b9iFxkNJc5+FUhBJ9Dl0=";
+    inherit (finalAttrs) pname version;
+    hash = "sha256-x06oJ9kroYb+ZZaV6PyYnNl7/DIO3OPTK5k2pYeNoQo=";
   };
 
   build-system = [ setuptools ];
@@ -55,6 +55,7 @@ buildPythonPackage rec {
 
   meta = {
     description = "Convert scikit-learn models to ONNX";
+    changelog = "https://github.com/onnx/sklearn-onnx/releases/tag/${finalAttrs.version}";
     license = with lib.licenses; [ asl20 ];
   };
-}
+})