diff --git a/pkgs/development/python-modules/nox/default.nix b/pkgs/development/python-modules/nox/default.nix
index 481cd7287483..78777f18b4d8 100644
--- a/pkgs/development/python-modules/nox/default.nix
+++ b/pkgs/development/python-modules/nox/default.nix
@@ -8,11 +8,11 @@
   hatchling,
 
   # dependencies
+  attrs,
   argcomplete,
   colorlog,
+  dependency-groups,
   jinja2,
-  packaging,
-  tomli,
 
   # tests
   pytestCheckHook,
@@ -26,33 +26,26 @@
 
 buildPythonPackage rec {
   pname = "nox";
-  version = "2024.10.09";
+  version = "2025.05.01";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
+  disabled = pythonOlder "3.12";
 
   src = fetchFromGitHub {
     owner = "wntrblm";
     repo = "nox";
     tag = version;
-    hash = "sha256-GdNz34A8IKwPG/270sY5t3SoggGCZMWfDq/Wyhk0ez8=";
+    hash = "sha256-qH8oh7tmiJkXOobyDZMRZ62w2sRHJF8sh4PX+6s7M70=";
   };
 
-  patches = [
-    # Backport of https://github.com/wntrblm/nox/pull/903, which can be removed on next release
-    ./fix-broken-mock-on-cpython-3.12.8.patch
-  ];
-
   build-system = [ hatchling ];
 
   dependencies = [
+    attrs
     argcomplete
     colorlog
-    packaging
+    dependency-groups
     virtualenv
-  ]
-  ++ lib.optionals (pythonOlder "3.11") [
-    tomli
   ];
 
   optional-dependencies = {
@@ -71,10 +64,12 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "nox" ];
 
   disabledTests = [
-    # our conda is not available on 3.11
-    "test__create_venv_options"
     # Assertion errors
     "test_uv"
+    # Test requires network access
+    "test_noxfile_script_mode_url_req"
+    # Don't test CLi mode
+    "test_noxfile_script_mode"
   ];
 
   disabledTestPaths = [
diff --git a/pkgs/development/python-modules/nox/fix-broken-mock-on-cpython-3.12.8.patch b/pkgs/development/python-modules/nox/fix-broken-mock-on-cpython-3.12.8.patch
deleted file mode 100644
index f634c3534b93..000000000000
--- a/pkgs/development/python-modules/nox/fix-broken-mock-on-cpython-3.12.8.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-diff --git a/nox/command.py b/nox/command.py
-index 671875c..4984168 100644
---- a/nox/command.py
-+++ b/nox/command.py
-@@ -30,6 +30,8 @@ TYPE_CHECKING = False
- if TYPE_CHECKING:
-     from typing import IO
- 
-+_PLATFORM = sys.platform
-+
- ExternalType = Literal["error", True, False]
- 
- 
-@@ -63,7 +65,7 @@ def _clean_env(env: Mapping[str, str | None] | None = None) -> dict[str, str] |
-     clean_env = {k: v for k, v in env.items() if v is not None}
- 
-     # Ensure systemroot is passed down, otherwise Windows will explode.
--    if sys.platform == "win32":
-+    if _PLATFORM.startswith("win"):
-         clean_env.setdefault("SYSTEMROOT", os.environ.get("SYSTEMROOT", ""))
- 
-     return clean_env
-diff --git a/tests/test_command.py b/tests/test_command.py
-index ae398e9..904cf34 100644
---- a/tests/test_command.py
-+++ b/tests/test_command.py
-@@ -157,7 +157,7 @@ def test_run_env_remove(monkeypatch):
-     )
- 
- 
--@mock.patch("sys.platform", "win32")
-+@mock.patch("nox.command._PLATFORM", "win32")
- def test_run_env_systemroot():
-     systemroot = os.environ.setdefault("SYSTEMROOT", "sigil")
-