diff --git a/pkgs/development/python-modules/orbax-checkpoint/default.nix b/pkgs/development/python-modules/orbax-checkpoint/default.nix
index 41723897cc1c..53590690dbec 100644
--- a/pkgs/development/python-modules/orbax-checkpoint/default.nix
+++ b/pkgs/development/python-modules/orbax-checkpoint/default.nix
@@ -36,14 +36,14 @@
 
 buildPythonPackage rec {
   pname = "orbax-checkpoint";
-  version = "0.11.20";
+  version = "0.11.21";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "google";
     repo = "orbax";
     tag = "v${version}";
-    hash = "sha256-ZZTmWW0PZHk8Evhk6JnbAyl7RQOAxN4GwXUv5M6GfIQ=";
+    hash = "sha256-hb7Y/usg4JFRKsahKNV8rvjMGAN4xYEaaWsedGKcK+Y=";
   };
 
   sourceRoot = "${src.name}/checkpoint";