diff --git a/pkgs/development/python-modules/mlcroissant/default.nix b/pkgs/development/python-modules/mlcroissant/default.nix
index 96bf7b6dc9f6..510c7d617ace 100644
--- a/pkgs/development/python-modules/mlcroissant/default.nix
+++ b/pkgs/development/python-modules/mlcroissant/default.nix
@@ -30,14 +30,14 @@
 
 buildPythonPackage rec {
   pname = "mlcroissant";
-  version = "1.0.17";
+  version = "1.0.21";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "mlcommons";
     repo = "croissant";
     tag = "v${version}";
-    hash = "sha256-jiyr8x+YRSsRwOVxDPaWemPqglTKVb5jg4rRzUXd3BE=";
+    hash = "sha256-yUAF/NQHz8WUIaIIsqOwTMppl5+EZhURFpHnde9OOpE=";
   };
 
   sourceRoot = "${src.name}/python/mlcroissant";
@@ -89,7 +89,7 @@ buildPythonPackage rec {
   meta = {
     description = "High-level format for machine learning datasets that brings together four rich layers";
     homepage = "https://github.com/mlcommons/croissant";
-    changelog = "https://github.com/mlcommons/croissant/releases/tag/v${version}";
+    changelog = "https://github.com/mlcommons/croissant/releases/tag/${src.tag}";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ GaetanLepage ];
     platforms = lib.platforms.all;