diff --git a/.bandit.yaml b/.bandit.yaml
deleted file mode 100644
index 91fa86c2e..000000000
--- a/.bandit.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-skips:
-  - B101 # Use of assert detected.
-  - B603 # subprocess call - check for execution of untrusted input
-  - B607 # Starting a process with a partial executable path
-  - B108 # Probable insecure usage of temp file/directory.
-  - B113 # Requests call without timeout: the check is buggy...
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 69a18dec8..6ce705a54 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -100,35 +100,25 @@ repos:
     rev: v0.1.8
     hooks:
       - id: ripsecrets
-  - repo: https://github.com/asottile/pyupgrade
-    rev: v3.19.0
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.8.1
     hooks:
-      - id: pyupgrade
+      - id: ruff-format
         args:
-          - --py39-plus
-  - repo: https://github.com/PyCQA/autoflake
-    rev: v2.3.1
-    hooks:
-      - id: autoflake
-  - repo: https://github.com/PyCQA/isort
-    rev: 5.13.2
-    hooks:
-      - id: isort
-  - repo: https://github.com/psf/black
-    rev: 24.10.0
-    hooks:
-      - id: black
+          - --line-length=110
   - repo: https://github.com/PyCQA/prospector
     rev: v1.13.3
     hooks:
       - id: prospector
         args:
-          - --tool=pydocstyle
+          - --tool=ruff
           - --die-on-tool-error
           - --output-format=pylint
         additional_dependencies:
           - prospector-profile-duplicated==1.8.0 # pypi
-          - prospector-profile-utils==1.12.2 # pypi
+          - prospector-profile-utils==1.13.0 # pypi
+          - ruff==0.8.1 # pypi
   - repo: https://github.com/mheap/json-schema-spell-checker
     rev: main
     hooks:
diff --git a/.prospector.yaml b/.prospector.yaml
index 97cfd0278..4d3c0e35d 100644
--- a/.prospector.yaml
+++ b/.prospector.yaml
@@ -2,23 +2,12 @@ inherits:
   - utils:base
   - utils:no-design-checks
   - utils:fix
+  - utils:unsafe
   - duplicated
 
-doc-warnings: true
-
 ignore-paths:
   - c2cciutils/configuration.py
 
-pylint:
-  disable:
-    - missing-module-docstring
-
 bandit:
-  options:
-    config: .bandit.yaml
-
-pycodestyle:
   disable:
-    # Buggy checks that don't detect strings
-    - W604 # backticks are deprecated, use 'repr()'
-    - E221 # multiple spaces before operator
+    - B113 # Call to requests without timeout (didn't work)
diff --git a/c2cciutils/__init__.py b/c2cciutils/__init__.py
index bf2565953..49b924aec 100644
--- a/c2cciutils/__init__.py
+++ b/c2cciutils/__init__.py
@@ -1,6 +1,4 @@
-"""
-c2cciutils shared utils function.
-"""
+"""c2cciutils shared utils function."""
 
 import glob
 import json
@@ -18,9 +16,7 @@
 
 
 def get_repository() -> str:
-    """
-    Get the current GitHub repository like `organization/project`.
-    """
+    """Get the current GitHub repository like `organization/project`."""
     if "GITHUB_REPOSITORY" in os.environ:
         return os.environ["GITHUB_REPOSITORY"]
 
@@ -44,11 +40,12 @@ def merge(default_config: Any, config: Any) -> Any:
     Arguments:
         default_config: The default config that will be applied
         config: The base config, will be modified
+
     """
     if not isinstance(default_config, dict) or not isinstance(config, dict):
         return config
 
-    for key in default_config.keys():
+    for key in default_config:
         if key not in config:
             config[key] = default_config[key]
         else:
@@ -73,9 +70,7 @@ def get_master_branch(repo: list[str]) -> tuple[str, bool]:
 
 
 def get_config() -> c2cciutils.configuration.Configuration:
-    """
-    Get the configuration, with project and auto detections.
-    """
+    """Get the configuration, with project and auto detections."""
     config: c2cciutils.configuration.Configuration = {}
     if os.path.exists("ci/config.yaml"):
         with open("ci/config.yaml", encoding="utf-8") as open_file:
@@ -155,6 +150,7 @@ def error(
         line: The line number of the error
         col: The column number of the error
         error_type: The kind of error (error or warning)
+
     """
     result = ""
     on_ci = os.environ.get("CI", "false").lower() == "true"
@@ -197,6 +193,7 @@ def compile_re(config: c2cciutils.configuration.VersionTransform, prefix: str =
         prefix: The version prefix
 
     Return the compiled transform config.
+
     """
     result = []
     for conf in config:
@@ -226,6 +223,7 @@ def match(
 
     Returns the re match object, the matched config and the value as a tuple
     On no match it returns None, value
+
     """
     for conf in config:
         matched = conf["from"].match(value)
@@ -243,6 +241,7 @@ def does_match(value: str, config: list[VersionTransform]) -> bool:
         config: The result of `compile`
 
     Returns True it it does match else False
+
     """
     matched, _, _ = match(value, config)
     return matched is not None
@@ -262,6 +261,7 @@ def get_value(matched: Optional[Match[str]], config: Optional[VersionTransform],
         value: The default value on returned no match
 
     Return the value
+
     """
     return matched.expand(config.get("to", r"\1")) if matched is not None and config is not None else value
 
@@ -272,6 +272,7 @@ def print_versions(config: c2cciutils.configuration.PrintVersions) -> bool:
 
     Arguments:
         config: The print configuration
+
     """
     for version in config.get("versions", c2cciutils.configuration.PRINT_VERSIONS_VERSIONS_DEFAULT):
         try:
@@ -310,6 +311,7 @@ def gopass(key: str, default: Optional[str] = None) -> Optional[str]:
         default: the value to return if gopass is not found
 
     Return the value
+
     """
     try:
         return subprocess.check_output(["gopass", "show", key]).strip().decode()
@@ -326,6 +328,7 @@ def gopass_put(secret: str, key: str) -> None:
     Arguments:
         secret: The secret value
         key: The key
+
     """
     subprocess.check_output(["gopass", "insert", "--force", key], input=secret.encode())
 
@@ -338,6 +341,7 @@ def add_authorization_header(headers: dict[str, str]) -> dict[str, str]:
         headers: The headers
 
     Return the headers (to be chained)
+
     """
     try:
         token = (
@@ -375,6 +379,7 @@ def graphql(query_file: str, variables: dict[str, Any], default: Any = None) ->
 
     Return the data result
     In case of error it throw an exception
+
     """
     with open(os.path.join(os.path.dirname(__file__), query_file), encoding="utf-8") as query_open:
         query = query_open.read()
diff --git a/c2cciutils/applications_definition.py b/c2cciutils/applications_definition.py
index 49fec80e6..a0f63c265 100644
--- a/c2cciutils/applications_definition.py
+++ b/c2cciutils/applications_definition.py
@@ -1,6 +1,4 @@
-"""
-Automatically generated file from a JSON schema.
-"""
+"""Automatically generated file from a JSON schema."""
 
 from typing import Literal, TypedDict, Union
 
diff --git a/c2cciutils/configuration.py b/c2cciutils/configuration.py
index c8102f522..87c578587 100644
--- a/c2cciutils/configuration.py
+++ b/c2cciutils/configuration.py
@@ -1,6 +1,4 @@
-"""
-Automatically generated file from a JSON schema.
-"""
+"""Automatically generated file from a JSON schema."""
 
 from typing import Any, Literal, TypedDict, Union
 
@@ -721,7 +719,7 @@ class _PrintVersionsVersionsItem(TypedDict, total=False):
 
 
 class _PublishDockerConfigSnyk(TypedDict, total=False):
-    """Checks the published images with Snyk"""
+    """Checks the published images with Snyk."""
 
     monitor_args: Union["_PublishDockerSnykMonitorArgsOneof0", "_PublishDockerSnykMonitorArgsOneof1"]
     """
diff --git a/c2cciutils/env.py b/c2cciutils/env.py
index 187463caa..2f76b4b09 100644
--- a/c2cciutils/env.py
+++ b/c2cciutils/env.py
@@ -10,9 +10,7 @@
 
 
 class PrintVersions:
-    """
-    Print some tools versions.
-    """
+    """Print some tools versions."""
 
     def __init__(self, config: c2cciutils.configuration.PrintVersions) -> None:
         """Construct."""
@@ -24,9 +22,7 @@ def __call__(self) -> None:
 
 
 class PrintConfig:
-    """
-    Print the configuration.
-    """
+    """Print the configuration."""
 
     def __init__(self, config: c2cciutils.configuration.Configuration) -> None:
         """Construct."""
@@ -40,49 +36,37 @@ def __call__(self) -> None:
 
 
 def print_environment_variables() -> None:
-    """
-    Print the environment variables.
-    """
+    """Print the environment variables."""
     for name, value in sorted(os.environ.items()):
         if name != "GITHUB_EVENT":
             print(f"{name}: {value}")
 
 
 def print_github_event_file() -> None:
-    """
-    Print the GitHub event file.
-    """
+    """Print the GitHub event file."""
     if "GITHUB_EVENT_PATH" in os.environ:
         with open(os.environ["GITHUB_EVENT_PATH"], encoding="utf-8") as event:
             print(event.read())
 
 
 def print_github_event_object() -> None:
-    """
-    Print the GitHub event object.
-    """
+    """Print the GitHub event object."""
     github_event = json.loads(os.environ["GITHUB_EVENT"])
     print(yaml.dump(github_event, indent=2))
 
 
 def print_python_package_version() -> None:
-    """
-    Print the version of the Python packages.
-    """
+    """Print the version of the Python packages."""
     subprocess.run(["python3", "-m", "pip", "freeze", "--all"])  # pylint: disable=subprocess-run-check
 
 
 def print_node_package_version() -> None:
-    """
-    Print the version of the Python packages.
-    """
+    """Print the version of the Python packages."""
     subprocess.run(["npm", "list", "--global"])  # pylint: disable=subprocess-run-check
 
 
 def print_debian_package_version() -> None:
-    """
-    Print the version of the Python packages.
-    """
+    """Print the version of the Python packages."""
     subprocess.run(["dpkg", "--list"])  # pylint: disable=subprocess-run-check
 
 
diff --git a/c2cciutils/lib/docker.py b/c2cciutils/lib/docker.py
index ca0c92b90..50f9b898c 100644
--- a/c2cciutils/lib/docker.py
+++ b/c2cciutils/lib/docker.py
@@ -1,6 +1,4 @@
-"""
-Some utility functions for Docker images.
-"""
+"""Some utility functions for Docker images."""
 
 import os
 import subprocess  # nosec: B404
@@ -102,9 +100,7 @@ def get_dpkg_packages_versions(
 
 
 def get_versions_config() -> tuple[dict[str, dict[str, str]], bool]:
-    """
-    Get the versions from the config file.
-    """
+    """Get the versions from the config file."""
     if os.path.exists("ci/dpkg-versions.yaml"):
         with open("ci/dpkg-versions.yaml", encoding="utf-8") as versions_file:
             return (
diff --git a/c2cciutils/lib/oidc.py b/c2cciutils/lib/oidc.py
index 82abd5303..84a2f9513 100755
--- a/c2cciutils/lib/oidc.py
+++ b/c2cciutils/lib/oidc.py
@@ -154,8 +154,10 @@ def pypi_login() -> None:
     Connect to PyPI using OpenID Connect and mint a token for the user.
 
     See Also
+    --------
     - https://docs.github.com/en/actions/security-for-github-actions/security-hardening-your-deployments/about-security-hardening-with-openid-connect
     - https://docs.github.com/en/actions/security-for-github-actions/security-hardening-your-deployments/configuring-openid-connect-in-pypi
+
     """
     pypirc_filename = os.path.expanduser("~/.pypirc")
 
diff --git a/c2cciutils/publish.py b/c2cciutils/publish.py
index 3ae07c5e6..71425c2ff 100644
--- a/c2cciutils/publish.py
+++ b/c2cciutils/publish.py
@@ -1,6 +1,4 @@
-"""
-The publishing functions.
-"""
+"""The publishing functions."""
 
 import argparse
 import datetime
@@ -10,11 +8,11 @@
 import re
 import subprocess  # nosec
 import sys
-import tomllib
 import uuid
 from typing import Optional
 
 import ruamel.yaml
+import tomllib
 from google.auth.transport.requests import Request
 from google.oauth2.credentials import Credentials
 from google_auth_oauthlib.flow import InstalledAppFlow
@@ -24,17 +22,13 @@
 
 
 class GoogleCalendar:
-    """
-    Interact with the Google Calendar API.
-    """
+    """Interact with the Google Calendar API."""
 
     # pylint: disable=too-many-instance-attributes
     def __init__(self) -> None:
-        """
-        Initialize.
-        """
+        """Initialize."""
         self.scopes = ["https://www.googleapis.com/auth/calendar"]  # in fact it is better to hard-code this
-        self.credentials_pickle_file = os.environ.get("TMP_CREDS_FILE", f"/tmp/{uuid.uuid4()}.pickle")
+        self.credentials_pickle_file = os.environ.get("TMP_CREDS_FILE", f"/tmp/{uuid.uuid4()}.pickle")  # noqa: S108
         self.credentials_json_file = os.environ.get(
             "GOOGLE_CREDS_JSON_FILE", "~/google-credentials-c2cibot.json"
         )  # used to refresh the refresh_token or to initialize the credentials the first time
@@ -62,15 +56,13 @@ def __init__(self) -> None:
         self.service = build("calendar", "v3", credentials=self.creds)
 
     def init_calendar_service(self) -> Credentials:  # type: ignore
-        """
-        Initialize the calendar service.
-        """
+        """Initialize the calendar service."""
         # The file token pickle stores the user's access and refresh tokens, and is
         # created automatically when the authorization flow completes for the first
         # time.
         if os.path.exists(self.credentials_pickle_file):
             with open(self.credentials_pickle_file, "rb") as token:
-                creds = pickle.load(token)  # nosec
+                creds = pickle.load(token)  # noqa: S301
         # If there are no (valid) credentials available, let the user log in.
         if not creds or not creds.valid:  # pylint: disable=possibly-used-before-assignment
             if creds and creds.expired and creds.refresh_token:
@@ -95,9 +87,7 @@ def init_calendar_service(self) -> Credentials:  # type: ignore
                 pickle.dump(creds, token)
 
     def _update_creds(self) -> None:
-        """
-        Update the credentials.
-        """
+        """Update the credentials."""
         self.client_id = self.creds.client_id
         self.client_secret = self.creds.client_secret
         self.token = self.creds.token
@@ -105,9 +95,7 @@ def _update_creds(self) -> None:
         self.refresh_token = self.creds.refresh_token
 
     def print_all_calendars(self) -> None:
-        """
-        Print all calendar events.
-        """
+        """Print all calendar events."""
         # list all the calendars that the user has access to.
         # used to debug credentials
         print("Getting list of calendars")
@@ -129,6 +117,7 @@ def print_latest_events(self, time_min: Optional[datetime.datetime] = None) -> N
 
         Arguments:
             time_min: The time to be considered.
+
         """
         now = datetime.datetime.utcnow()
         if not time_min:
@@ -163,6 +152,7 @@ def create_event(
         Arguments:
             summary: The event summary
             description: The event description
+
         """
         now = datetime.datetime.now()
         start = now.isoformat()
@@ -178,9 +168,7 @@ def create_event(
         print(f"Created event with id: {event_result['id']}")
 
     def save_credentials_to_gopass(self) -> None:
-        """
-        Save the calendar credentials to gopass.
-        """
+        """Save the calendar credentials to gopass."""
         objects_to_save = {
             "gs/ci/google_calendar/calendarId": self.calendar_id,
             "gs/ci/google_calendar/token": self.token,
@@ -194,17 +182,13 @@ def save_credentials_to_gopass(self) -> None:
             c2cciutils.gopass_put(secret, key)
 
     def __del__(self) -> None:
-        """
-        Delete the credentials file.
-        """
+        """Delete the credentials file."""
         if os.path.exists(self.credentials_pickle_file):
             os.remove(self.credentials_pickle_file)
 
 
 def main_calendar() -> None:
-    """
-    Run the calendar main function.
-    """
+    """Run the calendar main function."""
     parser = argparse.ArgumentParser(
         description="Interact with google API for the Docker publishing calendar"
     )
@@ -254,6 +238,7 @@ def pip(
                     version_branch, feature_branch, feature_tag (for pull request)
         publish: If False only check the package
         package: The package configuration
+
     """
     print(f"::group::{'Publishing' if publish else 'Checking'} '{package.get('path')}' to pypi")
     sys.stdout.flush()
@@ -352,6 +337,7 @@ def docker(
         tag_src: The source tag (usually latest)
         dst_tags: Publish using the provided tags
         images_full: The list of published images (with tag), used to build the dispatch event
+
     """
     print(
         f"::group::Publishing {image_config['name']} to the server {name} using the tags {', '.join(dst_tags)}"
@@ -411,6 +397,7 @@ def helm(folder: str, version: str, owner: str, repo: str, commit_sha: str, toke
         repo: The GitHub repository name
         commit_sha: The sha of the current commit
         token: The GitHub token
+
     """
     print(f"::group::Publishing Helm chart from '{folder}' to GitHub release")
     sys.stdout.flush()
diff --git a/c2cciutils/scripts/__init__.py b/c2cciutils/scripts/__init__.py
index acef9dd6c..4db9243af 100644
--- a/c2cciutils/scripts/__init__.py
+++ b/c2cciutils/scripts/__init__.py
@@ -1,3 +1 @@
-"""
-The scripts main functions.
-"""
+"""The scripts main functions."""
diff --git a/c2cciutils/scripts/clean.py b/c2cciutils/scripts/clean.py
index b90d089c1..744eec4c3 100644
--- a/c2cciutils/scripts/clean.py
+++ b/c2cciutils/scripts/clean.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python3
 
-"""
-The clean main function.
-"""
+"""The clean main function."""
 
 import argparse
 import json
@@ -24,6 +22,7 @@ def clean(image: str, tag: str, token: str) -> None:
         image: The image name that should be deleted (<organization>/<name>)
         tag: The tag that should be deleted
         token: The token used to be authenticated on Docker hub
+
     """
     print(f"Delete image '{image}:{tag}'.")
 
@@ -51,9 +50,7 @@ def clean(image: str, tag: str, token: str) -> None:
 
 
 def main() -> None:
-    """
-    Run the main function.
-    """
+    """Run the main function."""
     parser = argparse.ArgumentParser(
         description=(
             "Clean the Docker images on Docker Hub for the branch we delete "
@@ -87,10 +84,7 @@ def main() -> None:
     with open(os.environ["GITHUB_EVENT_PATH"], encoding="utf-8") as event_file:
         event = json.loads(event_file.read())
         print(yaml.dump(event))
-        if "pull_request" in event:
-            ref = str(event["number"])
-        else:
-            ref = event["ref"]
+        ref = str(event["number"]) if "pull_request" in event else event["ref"]
 
     ref = ref.replace("/", "_")
 
diff --git a/c2cciutils/scripts/docker_logs.py b/c2cciutils/scripts/docker_logs.py
index 6a84a4045..3f45f904e 100644
--- a/c2cciutils/scripts/docker_logs.py
+++ b/c2cciutils/scripts/docker_logs.py
@@ -30,11 +30,11 @@ def main() -> None:
 
     # Store in /tmp/docker-logs-timestamp the current timestamp to avoid printing same logs multiple times.
     timestamp_args = []
-    if os.path.exists("/tmp/docker-logs-timestamp"):
-        with open("/tmp/docker-logs-timestamp", encoding="utf-8") as timestamp_file:
+    if os.path.exists("/tmp/docker-logs-timestamp"):  # noqa: S108
+        with open("/tmp/docker-logs-timestamp", encoding="utf-8") as timestamp_file:  # noqa: S108
             timestamp_args = [f"--since={timestamp_file.read().strip()}Z"]
 
-    with open("/tmp/docker-logs-timestamp", "w", encoding="utf-8") as timestamp_file:
+    with open("/tmp/docker-logs-timestamp", "w", encoding="utf-8") as timestamp_file:  # noqa: S108
         timestamp_file.write(datetime.utcnow().isoformat())
 
     for name in (
diff --git a/c2cciutils/scripts/env.py b/c2cciutils/scripts/env.py
index 04fa0a006..25f438862 100644
--- a/c2cciutils/scripts/env.py
+++ b/c2cciutils/scripts/env.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python3
 
-"""
-The checker main function.
-"""
+"""The checker main function."""
 
 import argparse
 
@@ -10,9 +8,7 @@
 
 
 def main() -> None:
-    """
-    Run the checks.
-    """
+    """Run the checks."""
     parser = argparse.ArgumentParser(description="Print the environment information.")
     parser.parse_args()
 
diff --git a/c2cciutils/scripts/k8s/__init__.py b/c2cciutils/scripts/k8s/__init__.py
index 49abee23f..530aff901 100644
--- a/c2cciutils/scripts/k8s/__init__.py
+++ b/c2cciutils/scripts/k8s/__init__.py
@@ -1,3 +1 @@
-"""
-The commands that can be used to test a chart on Kubernetes.
-"""
+"""The commands that can be used to test a chart on Kubernetes."""
diff --git a/c2cciutils/scripts/main.py b/c2cciutils/scripts/main.py
index c2f01de40..3d35aa501 100644
--- a/c2cciutils/scripts/main.py
+++ b/c2cciutils/scripts/main.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python3
 
-"""
-The main function of some utilities.
-"""
+"""The main function of some utilities."""
 
 import argparse
 
@@ -13,9 +11,7 @@
 
 
 def main() -> None:
-    """
-    Run the utilities.
-    """
+    """Run the utilities."""
     parser = argparse.ArgumentParser(description="Some utils of c2cciutils.")
     parser.add_argument("--get-config", action="store_true", help="display the current config")
     parser.add_argument("--version", action="store_true", help="display the current version")
diff --git a/c2cciutils/scripts/publish.py b/c2cciutils/scripts/publish.py
index f3db17aa1..ffc2bd0cd 100644
--- a/c2cciutils/scripts/publish.py
+++ b/c2cciutils/scripts/publish.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python3
 
-"""
-The publish script.
-"""
+"""The publish script."""
 
 import argparse
 import os
@@ -34,6 +32,7 @@ def match(tpe: str, base_re: str) -> Optional[Match[str]]:
     Arguments:
         tpe: The type of ref we want to match (heads, tag, ...)
         base_re: The regular expression to match the value
+
     """
     if base_re[0] == "^":
         base_re = base_re[1:]
@@ -50,6 +49,7 @@ def to_version(full_config: c2cciutils.configuration.Configuration, value: str,
         full_config: The full configuration
         value: The value to be transformed
         kind: The name of the transformer in the configuration
+
     """
     item_re = c2cciutils.compile_re(
         cast(
@@ -63,9 +63,7 @@ def to_version(full_config: c2cciutils.configuration.Configuration, value: str,
 
 
 def main() -> None:
-    """
-    Run the publish.
-    """
+    """Run the publish."""
     parser = argparse.ArgumentParser(description="Publish the project.")
     parser.add_argument("--group", default="default", help="The publishing group")
     parser.add_argument("--version", help="The version to publish to")
@@ -311,23 +309,22 @@ def main() -> None:
                                         conf, name, image_conf, tag_src, tags, images_full
                                     )
 
-                    if google_calendar_publish:
-                        if version_type in google_calendar_config.get(
-                            "on", c2cciutils.configuration.PUBLISH_GOOGLE_CALENDAR_ON_DEFAULT
-                        ):
-                            if not google_calendar:
-                                google_calendar = GoogleCalendar()
-                            summary = f"{image_conf['name']}:{', '.join(tags_calendar)}"
-                            description = "\n".join(
-                                [
-                                    f"Published the image {image_conf['name']}",
-                                    f"Published on: {', '.join(docker_config['repository'].keys())}",
-                                    f"With tags: {', '.join(tags_calendar)}",
-                                    f"For version type: {version_type}",
-                                ]
-                            )
+                    if google_calendar_publish and version_type in google_calendar_config.get(
+                        "on", c2cciutils.configuration.PUBLISH_GOOGLE_CALENDAR_ON_DEFAULT
+                    ):
+                        if not google_calendar:
+                            google_calendar = GoogleCalendar()
+                        summary = f"{image_conf['name']}:{', '.join(tags_calendar)}"
+                        description = "\n".join(
+                            [
+                                f"Published the image {image_conf['name']}",
+                                f"Published on: {', '.join(docker_config['repository'].keys())}",
+                                f"With tags: {', '.join(tags_calendar)}",
+                                f"For version type: {version_type}",
+                            ]
+                        )
 
-                            google_calendar.create_event(summary, description)
+                        google_calendar.create_event(summary, description)
 
         if args.dry_run:
             sys.exit(0)
diff --git a/c2cciutils/scripts/trigger_image_update.py b/c2cciutils/scripts/trigger_image_update.py
index 23f7f2877..602b77973 100644
--- a/c2cciutils/scripts/trigger_image_update.py
+++ b/c2cciutils/scripts/trigger_image_update.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python3
 
-"""
-Trigger an image update on the argocd repository.
-"""
+"""Trigger an image update on the argocd repository."""
 
 import argparse
 import os.path
@@ -60,10 +58,8 @@ def main() -> None:
 
 
 def dispatch(repository: str, event_type: str, images_full: list[str]) -> None:
-    """
-    Trigger an image update on the argocd repository.
-    """
-    id_ = random.randint(1, 100000)  # nosec
+    """Trigger an image update on the argocd repository."""
+    id_ = random.randint(1, 100000)  # noqa: S311
     print(f"Triggering {event_type}:{id_} on {repository} with {','.join(images_full)}")
 
     response = requests.post(
diff --git a/c2cciutils/scripts/version.py b/c2cciutils/scripts/version.py
index 92c12d549..595d12afc 100644
--- a/c2cciutils/scripts/version.py
+++ b/c2cciutils/scripts/version.py
@@ -149,9 +149,11 @@ def main() -> None:
     stabilization_branches_with_master = [*stabilization_branches, repo.get("master_branch", "master")]
 
     for labels in mra.gh_json("label", ["name"], "list"):
-        if labels["name"].startswith("backport "):
-            if labels["name"].replace("backport ", "") not in stabilization_branches_with_master:
-                mra.gh("label", "delete", labels["name"], "--yes")
+        if (
+            labels["name"].startswith("backport ")
+            and labels["name"].replace("backport ", "") not in stabilization_branches_with_master
+        ):
+            mra.gh("label", "delete", labels["name"], "--yes")
 
     for branch in stabilization_branches_with_master:
         mra.gh(
diff --git a/ci/requires_release b/ci/requires_release
deleted file mode 100755
index 2f8fcf56d..000000000
--- a/ci/requires_release
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/usr/bin/env python3
-
-import datetime
-from distutils.version import LooseVersion
-
-import requests
-
-
-def main() -> None:
-    url = "https://pypi.org/pypi/c2cciutils/json"
-    data = requests.get(url, timeout=int(os.environ.get("C2CCIUTILS_TIMEOUT", "30"))).json()
-    versions = [LooseVersion(v) for v in data["releases"].keys()]
-    versions = [v for v in versions if len(v.version) == 4]
-    versions = sorted(versions)
-    version = versions[-1].vstring
-
-    date_str = version.split(".dev")[1][:8]
-    date_obj = datetime.datetime.strptime(date_str, "%Y%m%d")
-    days = (datetime.datetime.now() - date_obj).days
-    required = "true" if days > 30 else "false"
-
-    print(f"days: {days}")
-    print(f"required: {required}")
-    with open(os.environ["GITHUB_OUTPUT"], "a", encoding="utf-8") as output_file:
-        output_file.write(f"days={days}\n")
-        output_file.write(f"required={required}\n")
-
-
-if __name__ == "__main__":
-    main()
diff --git a/example-project/project/__init__.py b/example-project/project/__init__.py
index 7b527d842..76fd503e4 100644
--- a/example-project/project/__init__.py
+++ b/example-project/project/__init__.py
@@ -1,3 +1 @@
-"""
-Example project.
-"""
+"""Example project."""
diff --git a/poetry.lock b/poetry.lock
index 75b71db69..02cc4f6b8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
@@ -1185,6 +1185,7 @@ pylint-flask = "0.6"
 pyroma = {version = ">=2.4", optional = true, markers = "extra == \"with-pyroma\" or extra == \"with_everything\""}
 PyYAML = "*"
 requirements-detector = ">=1.3.2"
+ruff = {version = "*", optional = true, markers = "extra == \"with-ruff\" or extra == \"with_everything\""}
 setoptconf-tmp = ">=0.3.1,<0.4.0"
 toml = ">=0.10.2,<0.11.0"
 
@@ -1895,6 +1896,33 @@ files = [
     {file = "ruamel.yaml.clib-0.2.12.tar.gz", hash = "sha256:6c8fbb13ec503f99a91901ab46e0b07ae7941cd527393187039aec586fdfd36f"},
 ]
 
+[[package]]
+name = "ruff"
+version = "0.8.1"
+description = "An extremely fast Python linter and code formatter, written in Rust."
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "ruff-0.8.1-py3-none-linux_armv6l.whl", hash = "sha256:fae0805bd514066f20309f6742f6ee7904a773eb9e6c17c45d6b1600ca65c9b5"},
+    {file = "ruff-0.8.1-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:b8a4f7385c2285c30f34b200ca5511fcc865f17578383db154e098150ce0a087"},
+    {file = "ruff-0.8.1-py3-none-macosx_11_0_arm64.whl", hash = "sha256:cd054486da0c53e41e0086e1730eb77d1f698154f910e0cd9e0d64274979a209"},
+    {file = "ruff-0.8.1-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:2029b8c22da147c50ae577e621a5bfbc5d1fed75d86af53643d7a7aee1d23871"},
+    {file = "ruff-0.8.1-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:2666520828dee7dfc7e47ee4ea0d928f40de72056d929a7c5292d95071d881d1"},
+    {file = "ruff-0.8.1-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:333c57013ef8c97a53892aa56042831c372e0bb1785ab7026187b7abd0135ad5"},
+    {file = "ruff-0.8.1-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:288326162804f34088ac007139488dcb43de590a5ccfec3166396530b58fb89d"},
+    {file = "ruff-0.8.1-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:b12c39b9448632284561cbf4191aa1b005882acbc81900ffa9f9f471c8ff7e26"},
+    {file = "ruff-0.8.1-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:364e6674450cbac8e998f7b30639040c99d81dfb5bbc6dfad69bc7a8f916b3d1"},
+    {file = "ruff-0.8.1-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:b22346f845fec132aa39cd29acb94451d030c10874408dbf776af3aaeb53284c"},
+    {file = "ruff-0.8.1-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:b2f2f7a7e7648a2bfe6ead4e0a16745db956da0e3a231ad443d2a66a105c04fa"},
+    {file = "ruff-0.8.1-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:adf314fc458374c25c5c4a4a9270c3e8a6a807b1bec018cfa2813d6546215540"},
+    {file = "ruff-0.8.1-py3-none-musllinux_1_2_i686.whl", hash = "sha256:a885d68342a231b5ba4d30b8c6e1b1ee3a65cf37e3d29b3c74069cdf1ee1e3c9"},
+    {file = "ruff-0.8.1-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:d2c16e3508c8cc73e96aa5127d0df8913d2290098f776416a4b157657bee44c5"},
+    {file = "ruff-0.8.1-py3-none-win32.whl", hash = "sha256:93335cd7c0eaedb44882d75a7acb7df4b77cd7cd0d2255c93b28791716e81790"},
+    {file = "ruff-0.8.1-py3-none-win_amd64.whl", hash = "sha256:2954cdbe8dfd8ab359d4a30cd971b589d335a44d444b6ca2cb3d1da21b75e4b6"},
+    {file = "ruff-0.8.1-py3-none-win_arm64.whl", hash = "sha256:55873cc1a473e5ac129d15eccb3c008c096b94809d693fc7053f588b67822737"},
+    {file = "ruff-0.8.1.tar.gz", hash = "sha256:3583db9a6450364ed5ca3f3b4225958b24f78178908d5c4bc0f46251ccca898f"},
+]
+
 [[package]]
 name = "secretstorage"
 version = "3.3.3"
@@ -2208,4 +2236,4 @@ version = ["multi-repo-automation"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<4.0"
-content-hash = "c99c0c5ab172f7e1fecd33f5b1d4d0712fa9030df5003e39bad047229a3eb99d"
+content-hash = "d6cd64f9e95d171040590e188c40c6bc9593b21fba0b394c032ab8428cf1fe02"
diff --git a/pyproject.toml b/pyproject.toml
index b744a09d7..1a09c9f39 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,7 +86,7 @@ pr_checks = []
 version = ["multi-repo-automation"]
 
 [tool.poetry.group.dev.dependencies]
-prospector = { version = "1.13.3", extras = ["with-bandit", "with-mypy", "with-pyroma"] }
+prospector = { version = "1.13.3", extras = ["with-bandit", "with-mypy", "with-pyroma", "with-ruff"] }
 prospector-profile-duplicated = "1.8.0"
 prospector-profile-utils = "1.13.0"
 types-requests = "2.32.0.20241016"