diff --git a/services/nyx/nyx_ipc_manager.py b/services/nyx/nyx_ipc_manager.py
index 1d358a26..d15f49e8 100644
--- a/services/nyx/nyx_ipc_manager.py
+++ b/services/nyx/nyx_ipc_manager.py
@@ -11,17 +11,20 @@
 from pathlib import Path, PurePosixPath
 from random import choice, randint
 from subprocess import TimeoutExpired, check_call, run
-from typing import Dict, List, Optional, Set, TextIO
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from io import TextIOBase
 
 
 def run_generic(
-    args: List[str],
+    args: list[str],
     bindir: Path,
     cache_path: Path,
     min_msg_size: int,
-    ignore_message_types: Set[str],
+    ignore_message_types: set[str],
     timeout: int,
-) -> Dict[str, int]:
+) -> dict[str, int]:
     unique_msgs = {}
 
     env = os.environ.copy()
@@ -54,7 +57,7 @@ def run_generic(
         # PBackgroundIDBFactory::Msg_PBackgroundIDBDatabaseConstructor Size: 576
         errlines = out.splitlines()
         errlines.extend(err.splitlines())
-        maybe_too_small: Set[str] = set()
+        maybe_too_small: set[str] = set()
         for errline in errlines:
             if "[OnIPCMessage]" in errline and "unknown IPC msg name" not in errline:
                 components = errline.split(" ")
@@ -86,11 +89,11 @@ def run_generic(
 def run_mochitest_local(
     bindir: Path,
     testenv: Path,
-    mochitest_args: List[str],
+    mochitest_args: list[str],
     mochitest_cache_path: Path,
     min_msg_size: int,
-    ignore_message_types: Set[str],
-) -> Dict[str, int]:
+    ignore_message_types: set[str],
+) -> dict[str, int]:
     args = [
         str(testenv / "venv" / "bin" / "python"),
         "-u",
@@ -119,8 +122,8 @@ def run_file_local(
     local_file: Path,
     local_file_cache_path: Path,
     min_msg_size: int,
-    ignore_message_types,
-) -> Dict[str, int]:
+    ignore_message_types: set[str],
+) -> dict[str, int]:
     prefs_file = sharedir / "prefs.js"
     firefox_path = bindir / "firefox"
 
@@ -139,7 +142,7 @@ def run_file_local(
     )
 
 
-def add_nyx_env_vars(fd: TextIO):
+def add_nyx_env_vars(fd: TextIOBase) -> None:
     """Add env vars prefixed MOZ_FUZZ_ to config.sh which is
     passed through to the QEMU target.
     """
@@ -156,9 +159,9 @@ def run_afl(
     afldir: Path,
     sharedir: Path,
     runtime: int,
-    custom_mutator: Optional[str],
+    custom_mutator: str | None,
     debug: bool,
-):
+) -> None:
     env = os.environ.copy()
 
     # env["AFL_NO_UI"] = "1"
@@ -203,7 +206,7 @@ def run_afl(
         shutil.rmtree(afldir)
 
 
-def main(args: Optional[List[str]] = None) -> int:
+def main(args: list[str] | None = None) -> int:
     """Command line options."""
 
     # setup argparser
@@ -329,7 +332,7 @@ def main(args: Optional[List[str]] = None) -> int:
         with opts.single_ignore_messages.open() as fd:
             ignore_message_types |= {line.strip() for line in fd}
 
-    mochitest_dir: Optional[Path] = None
+    mochitest_dir: Path | None = None
     if opts.mochitest is not None:
         if opts.mochitest == "plain":
             mochitest_dir = testenv / "tests" / "mochitest" / "tests"
diff --git a/services/nyx/nyx_utils.py b/services/nyx/nyx_utils.py
index e52439b1..7e3559ca 100644
--- a/services/nyx/nyx_utils.py
+++ b/services/nyx/nyx_utils.py
@@ -10,12 +10,11 @@
 from google.cloud import storage
 
 
-def ncpu():
+def ncpu() -> None:
     print(psutil.cpu_count(logical=False))
 
 
-
-def gcs_cat():
+def gcs_cat() -> None:
     parser = ArgumentParser(prog="gcs-cat")
     parser.add_argument("bucket")
     parser.add_argument("path")
diff --git a/services/nyx/pyproject.toml b/services/nyx/pyproject.toml
index e5866b41..556001e2 100644
--- a/services/nyx/pyproject.toml
+++ b/services/nyx/pyproject.toml
@@ -2,21 +2,21 @@
 requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
 
-[tool.black]
-target-version = ["py38"]
-
-[[tool.mypy.overrides]]
-module = [
-    "setuptools",
-]
+[tool.mypy]
 ignore_missing_imports = true
+strict = true
+show_error_codes = true
+warn_unused_ignores = false
 
 [tool.pylint.format]
 max-line-length = 88
 
 [tool.ruff]
-ignore = []
 line-length = 88
+target-version = "py39"
+
+[tool.ruff.lint]
+ignore = []
 select = [
     # flake8
     "E",
@@ -29,4 +29,3 @@ select = [
     # includes yesqa
     "RUF",
 ]
-target-version = "py38"
diff --git a/services/nyx/tox.ini b/services/nyx/tox.ini
index ae782bab..34335a8b 100644
--- a/services/nyx/tox.ini
+++ b/services/nyx/tox.ini
@@ -4,13 +4,12 @@ tox_pip_extensions_ext_venv_update = true
 
 [testenv:lint]
 deps =
-    black==v23.11.0
-    mypy==v1.7.1
-    ruff==v0.1.6
+    mypy==v1.13.0
+    ruff==v0.7.4
 usedevelop = true
 allowlist_externals =
     bash
 commands =
+    ruff format --diff {toxinidir}
     ruff check --fix --exit-non-zero-on-fix {toxinidir}
-    black --diff --check {toxinidir}
     mypy --install-types --non-interactive {toxinidir}