diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2d1003d0bbe..17b39dfbd08 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
 minimum_pre_commit_version: "4.4.0"
 repos:
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: "v0.15.20"
+  rev: "v0.15.21"
   hooks:
     - id: ruff-check
       args: ["--fix"]
@@ -34,7 +34,7 @@ repos:
     hooks:
     -   id: python-use-type-annotations
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v2.1.0
+    rev: v2.3.0
     hooks:
     -   id: mypy
         files: ^(src/|testing/|scripts/)
diff --git a/testing/freeze/tox_run.py b/testing/freeze/tox_run.py
index 38c1e75cf10..8d588dda56c 100644
--- a/testing/freeze/tox_run.py
+++ b/testing/freeze/tox_run.py
@@ -8,9 +8,10 @@
 
 if __name__ == "__main__":
     import os
+    import subprocess
     import sys
 
     executable = os.path.join(os.getcwd(), "dist", "runtests_script", "runtests_script")
     if sys.platform.startswith("win"):
         executable += ".exe"
-    sys.exit(os.system(f"{executable} tests"))
+    sys.exit(subprocess.call([executable, "tests"]))
diff --git a/testing/test_monkeypatch.py b/testing/test_monkeypatch.py
index f00654d913d..04b16a1e8c2 100644
--- a/testing/test_monkeypatch.py
+++ b/testing/test_monkeypatch.py
@@ -436,7 +436,7 @@ def test_context() -> None:
     with monkeypatch.context() as m:
         m.setattr(functools, "partial", 3)
         assert not inspect.isclass(functools.partial)
-    assert inspect.isclass(functools.partial)
+    assert inspect.isclass(functools.partial)  # type: ignore[unreachable]
 
 
 def test_context_classmethod() -> None: