diff --git a/locust_swarm/swarm.py b/locust_swarm/swarm.py
index 534b0cc..a99e24b 100644
--- a/locust_swarm/swarm.py
+++ b/locust_swarm/swarm.py
@@ -41,7 +41,7 @@
 
 Example: swarm -f test.py --loadgen-list loadgen1.domain.com,loadgen2.domain.com --users 50""",
     epilog="""Any parameters not listed here are forwarded to locust master unmodified, so go ahead and use things like --users, --host, --run-time, ...
-    
+
 Swarm config can also be set using config file (~/.locust.conf, locust.conf, ~/.swarm.conf or swarm.conf).
 Parameters specified on command line override env vars, which in turn override config files.""",
     add_config_file_help=False,
@@ -318,7 +318,7 @@ def start_worker_process(server, port):
             "-R",
             f"{port}:localhost:{port}",
             "-R",
-            f"{port+1}:localhost:{port+1}",
+            f"{port + 1}:localhost:{port + 1}",
         ]
         ensure_remote_kill = ["& read; kill -9 $!"]
         nohup = []
@@ -336,31 +336,29 @@ def start_worker_process(server, port):
     if args.test_env:
         extra_env.append("LOCUST_TEST_ENV=" + args.test_env)
 
-    cmd = " ".join(
-        [
-            "ssh",
-            "-q",
-            *port_forwarding_parameters,
-            server,
-            "'",
-            *extra_env,
-            *nohup,
-            "locust",
-            "--worker",
-            "--processes",
-            str(args.processes),
-            "--master-port",
-            str(port),
-            *master_parameters,
-            "--headless",
-            "--expect-workers-max-wait",
-            "30",
-            "-f",
-            "-",
-            *ensure_remote_kill,
-            "'",
-        ]
-    )
+    cmd = " ".join([
+        "ssh",
+        "-q",
+        *port_forwarding_parameters,
+        server,
+        "'",
+        *extra_env,
+        *nohup,
+        "locust",
+        "--worker",
+        "--processes",
+        str(args.processes),
+        "--master-port",
+        str(port),
+        *master_parameters,
+        "--headless",
+        "--expect-workers-max-wait",
+        "30",
+        "-f",
+        "-",
+        *ensure_remote_kill,
+        "'",
+    ])
 
     logging.info("workers started " + cmd)
     procs.append(
diff --git a/pyproject.toml b/pyproject.toml
index d055351..27ec108 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,9 +1,8 @@
 [tool.ruff]
 line-length = 120
-select = ["E", "F", "W", "UP", "FA102", "I001"]
-extend-select = [
+lint.select = ["E", "F", "W", "UP", "FA102", "I"]
+lint.extend-select = [
     "D419", # empty-docstring
-    # "E501",    # line-too-long
     "W291",    # trailing-whitespace
     "PLC0414", # useless-import-alias
     "PLC2401", # non-ascii-name
@@ -20,13 +19,13 @@ extend-select = [
     "PLE0605", # invalid-all-format
     "PLE0704", # misplaced-bare-raise
 ]
-
-ignore = [
+lint.ignore = [
     "PLR0912", # too-many-branches
     "PLR0913", # too-many-arguments
     "PLR0914", # too-many-locals
     "PLR0915", # too-many-statements
     "PLW0603", # global-statement
+    "E501",    # line-too-long
 ]
 
 [tool.mypy]
diff --git a/setup.py b/setup.py
index fc18752..a5c1910 100644
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,11 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 import os
 import sys
+
 from setuptools import find_packages, setup
-from setuptools.command.install import install
-from setuptools.command.egg_info import egg_info
 from setuptools.command.develop import develop
+from setuptools.command.egg_info import egg_info
+from setuptools.command.install import install
 
 
 def install_check(self, command):
diff --git a/tox.ini b/tox.ini
index 9f60cd7..898e258 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ envlist = py{38,39,310,311,312}
 
 [testenv]
 deps =
-    ruff
+    ruff==0.2.2
     mypy==1.8.0
 commands =
     ruff check --preview