diff --git a/pyproject.toml b/pyproject.toml
index a29de7c95..43aeda05d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,6 +55,7 @@ extra_standard_library = [
     "opcode",
     "pyexpat",
 ]
+known_first_party = ["utils"]
 
 [tool.pycln]
 all = true
diff --git a/tests/check_consistent.py b/tests/check_consistent.py
index 5e6abf85f..bb48404a0 100755
--- a/tests/check_consistent.py
+++ b/tests/check_consistent.py
@@ -15,6 +15,7 @@ import yaml
 from packaging.requirements import Requirement
 from packaging.specifiers import SpecifierSet
 from packaging.version import Version
+
 from utils import (
     METADATA_MAPPING,
     VERSIONS_RE,
diff --git a/tests/get_stubtest_system_requirements.py b/tests/get_stubtest_system_requirements.py
index bae75ac0b..0be137e97 100644
--- a/tests/get_stubtest_system_requirements.py
+++ b/tests/get_stubtest_system_requirements.py
@@ -3,6 +3,7 @@ import os
 import sys
 
 import tomli
+
 from utils import METADATA_MAPPING
 
 platform = sys.platform
diff --git a/tests/mypy_test.py b/tests/mypy_test.py
index 0fd07095b..efb58a836 100644
--- a/tests/mypy_test.py
+++ b/tests/mypy_test.py
@@ -24,6 +24,7 @@ if TYPE_CHECKING:
 from typing_extensions import Annotated, TypeAlias
 
 import tomli
+
 from utils import (
     VERSIONS_RE as VERSION_LINE_RE,
     PackageDependencies,
diff --git a/tests/pytype_test.py b/tests/pytype_test.py
index 74dfc302c..7e8e69ba0 100755
--- a/tests/pytype_test.py
+++ b/tests/pytype_test.py
@@ -19,10 +19,11 @@ import traceback
 from collections.abc import Iterable, Sequence
 
 import pkg_resources
-import utils
 from pytype import config as pytype_config, load_pytd  # type: ignore[import]
 from pytype.imports import typeshed  # type: ignore[import]
 
+import utils
+
 TYPESHED_SUBDIRS = ["stdlib", "stubs"]
 TYPESHED_HOME = "TYPESHED_HOME"
 _LOADERS = {}
diff --git a/tests/stubtest_third_party.py b/tests/stubtest_third_party.py
index 98e8015a3..4115d3cb5 100755
--- a/tests/stubtest_third_party.py
+++ b/tests/stubtest_third_party.py
@@ -12,6 +12,7 @@ from pathlib import Path
 from typing import NoReturn
 
 import tomli
+
 from utils import colored, get_mypy_req, make_venv, print_error, print_success_msg