diff --git a/flake.nix b/flake.nix
index f770095..48e3046 100644
--- a/flake.nix
+++ b/flake.nix
@@ -68,6 +68,12 @@
               inherit (python-final) jaxlib;
             };
 
+            orbax-checkpoint = callPackage ./nix/orbax-checkpoint.nix {
+              inherit (python-final) jax;
+              inherit (python-final) jaxlib;
+              inherit tensorstore;
+            };
+
             flax = callPackage ./nix/flax.nix {
               inherit (python-final) jax;
               inherit (python-final) jaxlib;
@@ -86,6 +92,7 @@
               inherit (python-final) optax;
               inherit (python-final) flax;
               inherit (python-final) mujoco;
+              inherit (python-final) orbax-checkpoint;
               inherit dm_env;
               inherit pytinyrenderer;
               inherit trimesh;
diff --git a/nix/brax.nix b/nix/brax.nix
index c5608c1..23dcfc2 100644
--- a/nix/brax.nix
+++ b/nix/brax.nix
@@ -21,6 +21,7 @@
 , typing-extensions
 , flax
 , mujoco
+, orbax-checkpoint
 }:
 
 
@@ -29,8 +30,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "google";
     repo = "brax";
-    rev = "v0.9.1";
-    hash = "sha256-tFoTsz+EEd35nO39/owBBKbJG1LnAGUZBoOJkYVuwlI=";
+    rev = "v0.10.5";
+    hash = "sha256-Ek1j/tghkNOny6uPWM+WHlTB3eZI5yl3oXq4DdIEJv4=";
   };
 
   nativeBuildInputs = [
@@ -67,5 +68,6 @@ buildPythonPackage rec {
     optax
     mujoco
     flax
+    orbax-checkpoint
   ];
 }
diff --git a/nix/orbax-checkpoint.nix b/nix/orbax-checkpoint.nix
new file mode 100644
index 0000000..9742338
--- /dev/null
+++ b/nix/orbax-checkpoint.nix
@@ -0,0 +1,48 @@
+{ buildPythonPackage
+, lib
+, absl-py
+, cached-property
+, etils
+, fetchPypi
+, flit
+, jax
+, jaxlib
+, msgpack
+, nest-asyncio
+, numpy
+, pyyaml
+, tensorflow
+, tensorstore
+}:
+
+buildPythonPackage rec {
+  pname = "orbax-checkpoint";
+  version = "0.1.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-lnh2eAr54Dk8C9hnW/nZP0vrz/9Vqvwo5FMfrkJqFsA=";
+  };
+  format = "pyproject";
+
+  propagatedBuildInputs = [
+    absl-py
+    cached-property
+    etils
+    flit
+    jax
+    jaxlib
+    msgpack
+    nest-asyncio
+    numpy
+    pyyaml
+    tensorflow
+    tensorstore
+  ];
+
+  meta = with lib; {
+    description = "Checkpointing library for JAX-based models";
+    license = licenses.asl20;
+    homepage = "https://github.com/google/orbax";
+  };
+}
diff --git a/nix/tensorstore.nix b/nix/tensorstore.nix
index b387f5f..b1f9f77 100644
--- a/nix/tensorstore.nix
+++ b/nix/tensorstore.nix
@@ -5,14 +5,21 @@
 
 buildPythonPackage rec {
   name = "tensorstore";
+  
   src = fetchFromGitHub {
     owner = "google";
     repo = "tensorstore";
-    rev = "v0.1.35";
-    hash = "sha256-VmJHDoU+lDS3PT4cEDZVDY+VYTa0F2X9aUWIEZW29vM=";
+    rev = "v0.1.60";
+    hash = "sha256-rT0R1x51xHAElPwernUjBIIneRhncnsohMRAIhXyaYk=";
   };
   format = "pyproject";
+  
   propagatedBuildInputs = [
     setuptools
   ];
+
+  preConfigure = ''
+    export HOME=$PWD
+  '';
+  
 }