diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 852048216..8c6115813 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,7 +14,7 @@ repos:
     hooks:
     -   id: doc8
 -   repo: https://github.com/adamchainz/django-upgrade
-    rev: 1.24.0
+    rev: 1.25.0
     hooks:
     -   id: django-upgrade
         args: [--target-version, "4.2"]
@@ -29,18 +29,18 @@ repos:
     -   id: rst-backticks
     -   id: rst-directive-colons
 -   repo: https://github.com/biomejs/pre-commit
-    rev: v1.9.4
+    rev: v2.0.0-beta.5
     hooks:
       - id: biome-check
         verbose: true
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: 'v0.11.7'
+    rev: 'v0.11.12'
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
       - id: ruff-format
 -   repo: https://github.com/tox-dev/pyproject-fmt
-    rev: v2.5.1
+    rev: v2.6.0
     hooks:
       - id: pyproject-fmt
 -   repo: https://github.com/abravalheri/validate-pyproject
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 5843d0212..794f8b3ed 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -5,7 +5,7 @@
 version: 2
 
 build:
-  os: ubuntu-22.04
+  os: ubuntu-24.04
   tools:
     python: "3.10"
 
diff --git a/biome.json b/biome.json
index 625e4ebe7..dc2776d79 100644
--- a/biome.json
+++ b/biome.json
@@ -1,16 +1,49 @@
 {
-    "$schema": "https://biomejs.dev/schemas/1.9.4/schema.json",
+    "$schema": "https://biomejs.dev/schemas/2.0.0-beta.5/schema.json",
     "formatter": {
         "enabled": true,
         "useEditorconfig": true
     },
-    "organizeImports": {
-        "enabled": true
+    "assist": {
+        "actions": {
+            "source": {
+                "organizeImports": "on"
+            }
+        }
     },
     "linter": {
         "enabled": true,
         "rules": {
-            "recommended": true
+            "recommended": true,
+            "style": {
+                "useLiteralEnumMembers": "error",
+                "noCommaOperator": "error",
+                "useNodejsImportProtocol": "error",
+                "useAsConstAssertion": "error",
+                "useEnumInitializers": "error",
+                "useSelfClosingElements": "error",
+                "useConst": "error",
+                "useSingleVarDeclarator": "error",
+                "noUnusedTemplateLiteral": "error",
+                "useNumberNamespace": "error",
+                "noInferrableTypes": "error",
+                "useExponentiationOperator": "error",
+                "useTemplate": "error",
+                "noParameterAssign": "error",
+                "noNonNullAssertion": "error",
+                "useDefaultParameterLast": "error",
+                "noArguments": "error",
+                "useImportType": "error",
+                "useExportType": "error",
+                "noUselessElse": "error",
+                "useShorthandFunctionType": "error"
+            },
+            "suspicious": {
+                "noDocumentCookie": "off"
+            },
+            "complexity": {
+                "useNumericLiterals": "error"
+            }
         }
     },
     "javascript": {
diff --git a/debug_toolbar/settings.py b/debug_toolbar/settings.py
index 59d538a0b..4dc801c2c 100644
--- a/debug_toolbar/settings.py
+++ b/debug_toolbar/settings.py
@@ -1,3 +1,4 @@
+import os
 import sys
 import warnings
 from functools import cache
@@ -6,6 +7,15 @@
 from django.dispatch import receiver
 from django.test.signals import setting_changed
 
+
+def _is_running_tests():
+    """
+    Helper function to support testing default value for
+    IS_RUNNING_TESTS
+    """
+    return "test" in sys.argv or "PYTEST_VERSION" in os.environ
+
+
 CONFIG_DEFAULTS = {
     # Toolbar options
     "DISABLE_PANELS": {
@@ -43,7 +53,7 @@
     "SQL_WARNING_THRESHOLD": 500,  # milliseconds
     "OBSERVE_REQUEST_CALLBACK": "debug_toolbar.toolbar.observe_request",
     "TOOLBAR_LANGUAGE": None,
-    "IS_RUNNING_TESTS": "test" in sys.argv,
+    "IS_RUNNING_TESTS": _is_running_tests(),
     "UPDATE_ON_FETCH": False,
 }
 
diff --git a/debug_toolbar/static/debug_toolbar/css/toolbar.css b/debug_toolbar/static/debug_toolbar/css/toolbar.css
index f147bcdff..3a8d5628f 100644
--- a/debug_toolbar/static/debug_toolbar/css/toolbar.css
+++ b/debug_toolbar/static/debug_toolbar/css/toolbar.css
@@ -170,7 +170,9 @@
 #djDebug button:active {
     border: 1px solid #aaa;
     border-bottom: 1px solid #888;
-    box-shadow: inset 0 0 5px 2px #aaa, 0 1px 0 0 #eee;
+    box-shadow:
+        inset 0 0 5px 2px #aaa,
+        0 1px 0 0 #eee;
 }
 
 #djDebug #djDebugToolbar {
diff --git a/docs/changes.rst b/docs/changes.rst
index bf1998de8..6d6f34b2d 100644
--- a/docs/changes.rst
+++ b/docs/changes.rst
@@ -4,6 +4,9 @@ Change log
 Pending
 -------
 
+* Added support for checking if pytest as the test runner when determining
+  if tests are running.
+
 5.2.0 (2025-04-29)
 ------------------
 
diff --git a/docs/configuration.rst b/docs/configuration.rst
index d9e7ff342..377c97da8 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -77,7 +77,7 @@ Toolbar options
 
 * ``IS_RUNNING_TESTS``
 
-  Default: ``"test" in sys.argv``
+  Default: ``"test" in sys.argv or "PYTEST_VERSION" in os.environ``
 
   This setting whether the application is running tests. If this resolves to
   ``True``, the toolbar will prevent you from running tests. This should only
diff --git a/docs/contributing.rst b/docs/contributing.rst
index 4d690c954..1ab7077aa 100644
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -199,7 +199,8 @@ The release itself requires the following steps:
 
 #. Push the commit and the tag.
 
-#. Publish the release from the Django Commons website.
+#. Publish the release from the GitHub actions workflow.
 
-#. Change the default version of the docs to point to the latest release:
-   https://readthedocs.org/dashboard/django-debug-toolbar/versions/
+#. **After the publishing completed** edit the automatically created GitHub
+   release to include the release notes (you may use GitHub's "Generate release
+   notes" button for this).
diff --git a/docs/installation.rst b/docs/installation.rst
index 61187570d..b89a2f563 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -165,7 +165,7 @@ can do this by adding another setting:
 
 .. code-block:: python
 
-    TESTING = "test" in sys.argv
+    TESTING = "test" in sys.argv or "PYTEST_VERSION" in os.environ
 
     if not TESTING:
         INSTALLED_APPS = [
diff --git a/docs/spelling_wordlist.txt b/docs/spelling_wordlist.txt
index 0f58c1f52..79b05cb06 100644
--- a/docs/spelling_wordlist.txt
+++ b/docs/spelling_wordlist.txt
@@ -49,6 +49,7 @@ psycopg
 py
 pyflame
 pylibmc
+pytest
 pyupgrade
 querysets
 refactoring
@@ -65,5 +66,6 @@ theming
 timeline
 tox
 uWSGI
+unhandled
 unhashable
 validator
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 941e74a81..6915226fd 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -11,7 +11,8 @@ html5lib
 selenium
 tox
 black
-django-csp<4 # Used in tests/test_csp_rendering
+django-template-partials
+django-csp # Used in tests/test_csp_rendering
 
 # Integration support
 
diff --git a/tests/test_settings.py b/tests/test_settings.py
new file mode 100644
index 000000000..f7dc676b1
--- /dev/null
+++ b/tests/test_settings.py
@@ -0,0 +1,22 @@
+from unittest.mock import patch
+
+from django.test import TestCase
+
+from debug_toolbar.settings import _is_running_tests
+
+
+class SettingsTestCase(TestCase):
+    @patch("debug_toolbar.settings.sys")
+    @patch("debug_toolbar.settings.os")
+    def test_is_running_tests(self, mock_os, mock_sys):
+        mock_sys.argv = "test"
+        mock_os.environ = {}
+        self.assertTrue(_is_running_tests())
+
+        mock_sys.argv = ""
+        mock_os.environ = {}
+        self.assertFalse(_is_running_tests())
+
+        mock_sys.argv = ""
+        mock_os.environ = {"PYTEST_VERSION": "1"}
+        self.assertTrue(_is_running_tests())