diff --git a/pkgs/development/python-modules/orbax-checkpoint/default.nix b/pkgs/development/python-modules/orbax-checkpoint/default.nix
index 1e90be9112c2..94892e20415b 100644
--- a/pkgs/development/python-modules/orbax-checkpoint/default.nix
+++ b/pkgs/development/python-modules/orbax-checkpoint/default.nix
@@ -35,14 +35,14 @@
 
 buildPythonPackage rec {
   pname = "orbax-checkpoint";
-  version = "0.11.12";
+  version = "0.11.13";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "google";
     repo = "orbax";
     tag = "v${version}";
-    hash = "sha256-pwp3YIRiR17TBDu7ILmf0pi37biQ2hr7QtWKqBPVP2A=";
+    hash = "sha256-qmq0Kz8wXUFFE4CqsdFwKXAIvysFbv7JomQSrNj1QCc=";
   };
 
   sourceRoot = "${src.name}/checkpoint";
@@ -104,6 +104,7 @@ buildPythonPackage rec {
     "orbax/checkpoint/_src/metadata/tree_rich_types_test.py"
     "orbax/checkpoint/_src/metadata/tree_test.py"
     "orbax/checkpoint/_src/testing/test_tree_utils.py"
+    "orbax/checkpoint/_src/tree/parts_of_test.py"
     "orbax/checkpoint/_src/tree/utils_test.py"
     "orbax/checkpoint/single_host_test.py"
     "orbax/checkpoint/transform_utils_test.py"