diff --git a/.github/workflows/python-code-quality.yml b/.github/workflows/python-code-quality.yml
index 538f76ee918..59f723e1e7e 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: "0.8.2"
+      RUFF_VERSION: "0.8.3"
 
     runs-on: ${{ matrix.os }}
     permissions:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c094d2bbd05..2138c36642f 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: v0.8.2
+    rev: v0.8.3
     hooks:
       # Run the linter.
       - id: ruff
diff --git a/gui/wxpython/core/utils.py b/gui/wxpython/core/utils.py
index b04d2e73c12..e500c47d263 100644
--- a/gui/wxpython/core/utils.py
+++ b/gui/wxpython/core/utils.py
@@ -849,8 +849,7 @@ def StoreEnvVariable(key, value=None, envFile=None):
 
     # update environmental variables
     if value is None:
-        if key in environ:
-            del environ[key]
+        environ.pop(key, None)
     else:
         environ[key] = value
 
diff --git a/python/grass/pydispatch/signal.py b/python/grass/pydispatch/signal.py
index 51808e01ee3..12e73e71882 100644
--- a/python/grass/pydispatch/signal.py
+++ b/python/grass/pydispatch/signal.py
@@ -266,8 +266,7 @@ def __call__(self, *args, **kwargs):
         Traceback (most recent call last):
         TypeError: mywrite() takes exactly 1 argument (0 given)
         """
-        if "signal" in kwargs:
-            del kwargs["signal"]
+        kwargs.pop("signal", None)
         self.emit(*args, **kwargs)