diff --git a/pkgs/development/python-modules/mlx-lm/default.nix b/pkgs/development/python-modules/mlx-lm/default.nix
index cff7c736fa53..bad832123c92 100644
--- a/pkgs/development/python-modules/mlx-lm/default.nix
+++ b/pkgs/development/python-modules/mlx-lm/default.nix
@@ -24,14 +24,15 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "mlx-lm";
-  version = "0.31.2";
+  version = "0.31.3";
   pyproject = true;
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "ml-explore";
     repo = "mlx-lm";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-Ujt0KMs4dzIlbg7cg72TudAvlwJ4uWEG5Lx7+5j8cOU=";
+    hash = "sha256-DPOJfsIucG8mWt4ZKenymCJo/i9Jw+a+iuIygIIYkA8=";
   };
 
   build-system = [
diff --git a/pkgs/development/python-modules/mlx/default.nix b/pkgs/development/python-modules/mlx/default.nix
index 6cdc7cb6e6c9..9f22360363e3 100644
--- a/pkgs/development/python-modules/mlx/default.nix
+++ b/pkgs/development/python-modules/mlx/default.nix
@@ -20,6 +20,7 @@
 
   # tests
   numpy,
+  psutil,
   pytestCheckHook,
   python,
   runCommand,
@@ -41,14 +42,15 @@ let
 in
 buildPythonPackage (finalAttrs: {
   pname = "mlx";
-  version = "0.31.1";
+  version = "0.31.2";
   pyproject = true;
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "ml-explore";
     repo = "mlx";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-PiNk/MdMw9Vpat2KuslBTyaFuK+mJ4UvwJqBnysvvUU=";
+    hash = "sha256-0Oxacz61WGWZrpWw+fMQjEQfwOx1l1L2d0kWl54/LrQ=";
   };
 
   patches = [
@@ -120,6 +122,7 @@ buildPythonPackage (finalAttrs: {
   # Run the mlx Python test suite.
   nativeCheckInputs = [
     numpy
+    psutil
     pytestCheckHook
   ];
 
diff --git a/pkgs/development/python-modules/mlx/dont-fetch-json.patch b/pkgs/development/python-modules/mlx/dont-fetch-json.patch
index e134d25d2cd3..c52f579922c1 100644
--- a/pkgs/development/python-modules/mlx/dont-fetch-json.patch
+++ b/pkgs/development/python-modules/mlx/dont-fetch-json.patch
@@ -1,8 +1,8 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 2451aa65..f88d4889 100644
+index 6d24df02..113629ba 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -241,14 +241,6 @@ else()
+@@ -313,14 +313,6 @@ else()
    set(MLX_BUILD_ACCELERATE OFF)
  endif()
  
@@ -14,7 +14,6 @@ index 2451aa65..f88d4889 100644
 -target_include_directories(
 -  mlx PRIVATE $<BUILD_INTERFACE:${json_SOURCE_DIR}/single_include/nlohmann>)
 -
- add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/mlx)
- 
- target_include_directories(
-
+ # Add standalone JACCL library (RDMA over Thunderbolt distributed backend)
+ if(MLX_BUILD_CPU
+    AND ${CMAKE_SYSTEM_NAME} MATCHES "Darwin"
diff --git a/pkgs/development/python-modules/mlx/dont-fetch-nanobind.patch b/pkgs/development/python-modules/mlx/dont-fetch-nanobind.patch
index f2858448a93b..c9822ae1e2c7 100644
--- a/pkgs/development/python-modules/mlx/dont-fetch-nanobind.patch
+++ b/pkgs/development/python-modules/mlx/dont-fetch-nanobind.patch
@@ -1,15 +1,15 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 0ed30932..e5842707 100644
+index a2395d02..6d24df02 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -339,13 +339,7 @@ if(MLX_BUILD_PYTHON_BINDINGS)
+@@ -354,13 +354,7 @@ if(MLX_BUILD_PYTHON_BINDINGS)
      Python 3.10
      COMPONENTS Interpreter Development.Module
      REQUIRED)
 -  FetchContent_Declare(
 -    nanobind
 -    GIT_REPOSITORY https://github.com/wjakob/nanobind.git
--    GIT_TAG v2.10.2
+-    GIT_TAG v2.12.0
 -    GIT_SHALLOW TRUE
 -    EXCLUDE_FROM_ALL)
 -  FetchContent_MakeAvailable(nanobind)