diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0dd36b6..dfe3c55 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -9,14 +9,6 @@ repos:
     hooks:
       - id: check-yaml
       - id: trailing-whitespace
-  - repo: local
-    hooks:
-    -   id: pyupgrade
-        name: pyupgrade
-        entry: uv run pyupgrade --py36-plus
-        language: python
-        types: [python]
-        pass_filenames: true
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: v0.7.0
     hooks:
diff --git a/pyproject.toml b/pyproject.toml
index af5bee8..5feff5d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,10 +33,12 @@ dependencies = [
     "httpx>=0.24.1",
 ]
 
+[project.scripts]
+peeringdb = "peeringdb.cli:main"
+
 [project.urls]
 repository = "https://github.com/peeringdb/peeringdb-py"
 
-
 [tool.uv]
 dev-dependencies = [
     "django_peeringdb>=3.1.0",
@@ -59,8 +61,12 @@ dev-dependencies = [
     "twine>=3",
 ]
 
-[project.scripts]
-peeringdb = "peeringdb.cli:main"
+[tool.ruff.lint]
+extend-select = [
+    "I",  # isort
+    "UP", # pyupgrade
+]
+
 
 [build-system]
 requires = ["hatchling"]
diff --git a/script/dump_sqlite.py b/script/dump_sqlite.py
index a843a15..4d96e06 100644
--- a/script/dump_sqlite.py
+++ b/script/dump_sqlite.py
@@ -37,7 +37,7 @@ def main(file, dumpfile=None):
 
     def write(f):
         for line in output:
-            f.write("%s\n" % line)
+            f.write(f"{str(line)}\n")
 
     if dumpfile is None:
         write(sys.stdout)
diff --git a/src/peeringdb/_update.py b/src/peeringdb/_update.py
index eb82b6b..e6c6ac3 100644
--- a/src/peeringdb/_update.py
+++ b/src/peeringdb/_update.py
@@ -6,12 +6,11 @@
 from datetime import datetime
 from typing import List, Union
 
-from peeringdb import get_backend
+from peeringdb import config, get_backend
 from peeringdb._sync import extract_relations, set_many_relations, set_single_relations
 from peeringdb.fetch import Fetcher
 from peeringdb.private import private_data_has_been_fetched
 from peeringdb.util import group_fields, log_error
-from peeringdb import config
 
 
 class Updater:
diff --git a/src/peeringdb/commands.py b/src/peeringdb/commands.py
index 9795ff2..eab6384 100644
--- a/src/peeringdb/commands.py
+++ b/src/peeringdb/commands.py
@@ -13,7 +13,6 @@
 from peeringdb.util import load_failed_entries, save_failed_entries
 from peeringdb.whois import WhoisFormat
 
-
 _log = logging.getLogger(__name__)
 
 _log = logging.getLogger(__name__)
diff --git a/tests/test_sync.py b/tests/test_sync.py
index 7aa2620..bc4bbfc 100644
--- a/tests/test_sync.py
+++ b/tests/test_sync.py
@@ -1,8 +1,9 @@
-import helper
-import pytest
 import json
 import os
 
+import helper
+import pytest
+
 import peeringdb
 from peeringdb.client import Client
 from peeringdb.resource import Network, Organization, all_resources