diff --git a/README.md b/README.md
index 8352c04..e3fc588 100644
--- a/README.md
+++ b/README.md
@@ -59,11 +59,12 @@ node-blue launch --flow=examples/flows/mqtt-to-cratedb.yaml
 import asyncio
 from node_blue.core import NodeBlue
 
+
 async def launch_blue():
     """
     Launch a Node-BLUE instance.
     """
-    
+
     # Configure Node-BLUE instance with Node-RED flow.
     blue = NodeBlue(flow="https://github.com/daq-tools/node-blue/raw/main/examples/flows/http-html-templating.json")
 
@@ -73,6 +74,7 @@ async def launch_blue():
     # Wait until termination.
     await blue.forever()
 
+
 if __name__ == "__main__":
     asyncio.run(launch_blue())
 ```
diff --git a/droste/nodejs/basic.py b/droste/nodejs/basic.py
index 87741c5..aadc9de 100644
--- a/droste/nodejs/basic.py
+++ b/droste/nodejs/basic.py
@@ -2,7 +2,6 @@
 
 from munch import munchify, unmunchify
 
-
 logger = logging.getLogger(__name__)
 
 
@@ -18,7 +17,7 @@ def receiver(kwargs):
         # logger.info("EVALUATE!")
         # locals().update(munchify(kwargs))
         ns = munchify(kwargs)
-        exec(code, {}, ns)
+        exec(code, {}, ns)  # noqa: S102
         # return locals()
         return unmunchify(ns)
 
diff --git a/droste/nodejs/python_host.py b/droste/nodejs/python_host.py
index 8fb7a9a..5ad3834 100644
--- a/droste/nodejs/python_host.py
+++ b/droste/nodejs/python_host.py
@@ -3,8 +3,8 @@
 """
 
 import logging
-import typing as t
 import textwrap
+import typing as t
 
 from node_blue.util import setup_logging
 
diff --git a/node_blue/cli.py b/node_blue/cli.py
index 48e370e..aa5a4d5 100644
--- a/node_blue/cli.py
+++ b/node_blue/cli.py
@@ -6,7 +6,7 @@
 
 import click
 
-from node_blue.core import launch_blue, NodeBlue
+from node_blue.core import NodeBlue, launch_blue
 from node_blue.util import boot_click, docstring_format_verbatim, make_sync
 
 logger = logging.getLogger(__name__)
@@ -22,7 +22,7 @@ def help_launch():
     node-blue launch \\
         --flow=https://github.com/daq-tools/node-blue/raw/main/examples/flows/http-html-templating.json
 
-    """  # noqa: E501
+    """
 
 
 def help_setup():
@@ -30,7 +30,7 @@ def help_setup():
     Set up Node-BLUE.
 
     node-blue setup
-    """  # noqa: E501
+    """
 
 
 @click.group()
diff --git a/node_blue/core.py b/node_blue/core.py
index 55ba271..00babe0 100644
--- a/node_blue/core.py
+++ b/node_blue/core.py
@@ -3,18 +3,17 @@
 import asyncio
 import importlib.resources
 import logging
+import typing as t
 from pathlib import Path
 from types import ModuleType
 
 import funcy
 import javascript
 import javascript.connection
-import typing as t
-
 import tabulate
 
 from node_blue.hal import NodeBlueContext, jsrun
-from node_blue.util import run_later, wait, acquire_text_resource
+from node_blue.util import acquire_text_resource, run_later, wait
 
 logger = logging.getLogger(__name__)
 
diff --git a/node_blue/hal.py b/node_blue/hal.py
index 265533e..0729b96 100644
--- a/node_blue/hal.py
+++ b/node_blue/hal.py
@@ -1,9 +1,9 @@
 # Copyright (c) 2023, The Panodata developers and contributors.
 # Distributed under the terms of the Apache-2.0 license, see LICENSE.
+import asyncio
 import dataclasses
 import threading
 import typing as t
-import asyncio
 from pathlib import Path
 
 import javascript
diff --git a/pyproject.toml b/pyproject.toml
index 54be65e..6b1978a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -100,7 +100,7 @@ optional-dependencies.develop = [
   "mypy<2.4",
   "poethepoet<1",
   "pyproject-fmt<3",
-  "ruff<0.16",
+  "ruff<0.17",
   "types-tabulate",
 ]
 optional-dependencies.release = [
@@ -135,6 +135,7 @@ extend-exclude = [
   # Temporary
   "workbench.py",
 ]
+lint.select = [ "E4", "E7", "E9", "F" ]
 lint.ignore = [
   "E722", # Do not use bare `except`
 ]
@@ -162,8 +163,8 @@ ini_options.log_cli = true  # Enable to receive way more log details on stdout.
 ini_options.log_cli_level = "DEBUG"
 
 [tool.coverage]
-run.branch = false
 run.source = [ "droste", "node_blue" ]
+run.branch = false
 report.fail_under = 0
 report.show_missing = true
 
diff --git a/tests/test_core.py b/tests/test_core.py
index aa4551b..594eb97 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -8,7 +8,7 @@
 import requests
 from pytest_mqtt import MqttMessage
 
-from node_blue.core import NodeBlue, FlowManager
+from node_blue.core import FlowManager, NodeBlue
 from node_blue.util import wait