diff --git a/pkgs/development/python-modules/gym/default.nix b/pkgs/development/python-modules/gym/default.nix
index a2951074a122..d93d392314fb 100644
--- a/pkgs/development/python-modules/gym/default.nix
+++ b/pkgs/development/python-modules/gym/default.nix
@@ -1,41 +1,129 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
-  numpy,
+
+  # build-system
+  setuptools,
+
+  # dependencies
   cloudpickle,
+  numpy,
   gym-notices,
   importlib-metadata,
   pythonOlder,
+
+  # tests
+  moviepy,
+  pybox2d,
+  pygame,
+  pytestCheckHook,
+  opencv-python,
 }:
 
 buildPythonPackage rec {
   pname = "gym";
   version = "0.26.2";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "openai";
-    repo = pname;
+    repo = "gym";
     tag = version;
     hash = "sha256-uJgm8l1SxIRC5PV6BIH/ht/1ucGT5UaUhkFMdusejgA=";
   };
 
-  propagatedBuildInputs = [
+  # Fix numpy2 compatibility
+  postPatch = ''
+    substituteInPlace gym/envs/classic_control/acrobot.py \
+      --replace-fail "np.float_" "np.float64"
+
+    substituteInPlace gym/utils/passive_env_checker.py \
+      --replace-fail "np.bool8" "np.bool"
+
+    substituteInPlace tests/envs/test_action_dim_check.py \
+      --replace-fail "np.cast[dtype](OOB_VALUE)" "np.asarray(OOB_VALUE, dtype=dtype)" \
+      --replace-fail "np.alltrue" "np.all"
+
+    substituteInPlace tests/spaces/test_box.py \
+      --replace-fail "np.bool8" "np.bool" \
+      --replace-fail "np.complex_" "np.complex128"
+
+    substituteInPlace tests/wrappers/test_record_episode_statistics.py \
+      --replace-fail "np.alltrue" "np.all"
+  '';
+
+  build-system = [
+    setuptools
+  ];
+
+  dependencies = [
     cloudpickle
     numpy
     gym-notices
   ] ++ lib.optionals (pythonOlder "3.10") [ importlib-metadata ];
 
-  # The test needs MuJoCo that is not free library.
-  doCheck = false;
-
   pythonImportsCheck = [ "gym" ];
 
-  meta = with lib; {
+  nativeCheckInputs = [
+    moviepy
+    opencv-python
+    pybox2d
+    pygame
+    pytestCheckHook
+  ];
+
+  disabledTests =
+    [
+      # TypeError: Converting from sequence to b2Vec2, expected int/float arguments index 0
+      "test_box_actions_out_of_bound"
+      "test_env_determinism_rollout"
+      "test_envs_pass_env_checker"
+      "test_frame_stack"
+      "test_make_autoreset_true"
+      "test_passive_checker_wrapper_warnings"
+      "test_pickle_env"
+      "test_render_modes"
+
+      # TypeError: in method 'b2RevoluteJoint___SetMotorSpeed', argument 2 of type 'float32'
+      "test_box_actions_out_of_bound"
+
+      # TypeError: exceptions must be derived from Warning, not <class 'NoneType'>
+      "test_dict_init"
+
+      # ValueError: setting an array element with a sequence.
+      # The requested array has an inhomogeneous shape after 1 dimensions.
+      # The detected shape was (2,) + inhomogeneous part
+      "test_sample_contains"
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [
+      # Fatal Python error: Aborted
+      # gym/envs/classic_control/cartpole.py", line 227 in render
+      "test_autoclose"
+      "test_call_async_vector_env"
+      "test_call_sync_vector_env"
+      "test_human_rendering"
+      "test_make_render_mode"
+      "test_order_enforcing"
+      "test_record_simple"
+      "test_record_video_reset"
+      "test_record_video_step_trigger"
+      "test_record_video_using_default_trigger"
+      "test_record_video_within_vecto"
+      "test_text_envs"
+    ];
+
+  disabledTestPaths = lib.optionals stdenv.hostPlatform.isDarwin [
+    # Fatal Python error: Aborted
+    # gym/utils/play.py", line 62 in __init__
+    "tests/utils/test_play.py"
+  ];
+
+  meta = {
     description = "Toolkit for developing and comparing your reinforcement learning agents";
     homepage = "https://www.gymlibrary.dev/";
-    license = licenses.mit;
-    maintainers = with maintainers; [ hyphon81 ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ GaetanLepage ];
   };
 }