diff --git a/.github/workflows/python-code-quality.yml b/.github/workflows/python-code-quality.yml
index a92a2f5eff5..5308fab7ce6 100644
--- a/.github/workflows/python-code-quality.yml
+++ b/.github/workflows/python-code-quality.yml
@@ -36,7 +36,7 @@ jobs:
       # renovate: datasource=pypi depName=bandit
       BANDIT_VERSION: "1.8.0"
       # renovate: datasource=pypi depName=ruff
-      RUFF_VERSION: "0.8.4"
+      RUFF_VERSION: "0.8.5"
 
     runs-on: ${{ matrix.os }}
     permissions:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e5cdc24adf3..a5076c08552 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -37,7 +37,7 @@ repos:
           )
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.8.4
+    rev: v0.8.5
     hooks:
       # Run the linter.
       - id: ruff
diff --git a/python/grass/gunittest/checkers.py b/python/grass/gunittest/checkers.py
index 1b7f4a069ab..f56511c1b89 100644
--- a/python/grass/gunittest/checkers.py
+++ b/python/grass/gunittest/checkers.py
@@ -16,12 +16,12 @@
 import os
 import re
 import sys
-from typing import TYPE_CHECKING, Any, Callable
+from typing import TYPE_CHECKING, Any
 
 from grass.script.utils import encode
 
 if TYPE_CHECKING:
-    from collections.abc import Mapping
+    from collections.abc import Callable, Mapping
 
 try:
     from grass.script.core import KeyValue
@@ -359,8 +359,8 @@ def keyvalue_equals(
     :param dict_b: second dictionary
     :param precision: precision with which the floating point values
         are compared (passed to equality functions)
-    :param callable def_equal: function used for comparison by default
-    :param dict key_equal: dictionary of functions used for comparison
+    :param def_equal: function used for comparison by default
+    :param key_equal: dictionary of functions used for comparison
         of specific keys, `def_equal` is used for the rest,
         keys in dictionary are keys in `dict_a` and `dict_b` dictionaries,
         values are the functions used to comapare the given key
@@ -369,7 +369,7 @@ def keyvalue_equals(
 
     :return: `True` if identical, `False` if different
 
-    Use `diff_keyvalue()` to get information about differeces.
+    Use `diff_keyvalue()` to get information about differences.
     You can use this function to find out if there is a difference and then
     use `diff_keyvalue()` to determine all the differences between
     dictionaries.
@@ -407,7 +407,7 @@ def diff_keyvalue(
         (['d'], ['a'], [('c', 2, 1)])
 
     You can provide only a subset of values in dict_a, in this case
-    first item in tuple is an emptu list::
+    first item in tuple is an empty list::
 
         >>> diff_keyvalue(a, b, a_is_subset=True, precision=0)
         ([], ['a'], [('c', 2, 1)])
diff --git a/python/grass/pygrass/tests/benchmark.py b/python/grass/pygrass/tests/benchmark.py
index b6c5e98c26d..f2915ff60d7 100644
--- a/python/grass/pygrass/tests/benchmark.py
+++ b/python/grass/pygrass/tests/benchmark.py
@@ -385,7 +385,7 @@ class OptionWithDefault(optparse.Option):
     ATTRS = optparse.Option.ATTRS + [strREQUIRED]
 
     def __init__(self, *opts, **attrs):
-        if attrs.get(strREQUIRED, False):
+        if attrs.get(strREQUIRED):
             attrs["help"] = "(Required) " + attrs.get("help", "")
         optparse.Option.__init__(self, *opts, **attrs)
 
diff --git a/python/grass/script/core.py b/python/grass/script/core.py
index 5008d8751f3..a5f41696f34 100644
--- a/python/grass/script/core.py
+++ b/python/grass/script/core.py
@@ -53,7 +53,7 @@ def __init__(self, args, **kwargs):
         if (
             sys.platform == "win32"
             and isinstance(args, list)
-            and not kwargs.get("shell", False)
+            and not kwargs.get("shell")
             and kwargs.get("executable") is None
         ):
             cmd = shutil.which(args[0])