diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0621f5171..5224ce6ac 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -25,7 +25,7 @@ repos:
       - id: check-docstring-first
 
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 23.12.1
+    rev: 24.1.1
     hooks:
       - id: black
 
diff --git a/tests/masonry/builders/test_builder.py b/tests/masonry/builders/test_builder.py
index e0f673626..1c2922c00 100644
--- a/tests/masonry/builders/test_builder.py
+++ b/tests/masonry/builders/test_builder.py
@@ -185,8 +185,7 @@ def test_metadata_with_url_dependencies() -> None:
     requires_dist = metadata["Requires-Dist"]
 
     assert (
-        requires_dist
-        == "demo @"
+        requires_dist == "demo @"
         " https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl"
     )
 
diff --git a/tests/masonry/builders/test_complete.py b/tests/masonry/builders/test_complete.py
index 3af88074c..649e196a5 100644
--- a/tests/masonry/builders/test_complete.py
+++ b/tests/masonry/builders/test_complete.py
@@ -155,24 +155,32 @@ def test_complete(no_vcs: bool) -> None:
 
         entry_points = zipf.read("my_package-1.2.3.dist-info/entry_points.txt")
 
-        assert entry_points.decode() == """\
+        assert (
+            entry_points.decode()
+            == """\
 [console_scripts]
 extra-script=my_package.extra:main[time]
 my-2nd-script=my_package:main2
 my-script=my_package:main
 
 """
+        )
         wheel_data = zipf.read("my_package-1.2.3.dist-info/WHEEL").decode()
 
-        assert wheel_data == f"""\
+        assert (
+            wheel_data
+            == f"""\
 Wheel-Version: 1.0
 Generator: poetry-core {__version__}
 Root-Is-Purelib: true
 Tag: py3-none-any
 """
+        )
         wheel_data = zipf.read("my_package-1.2.3.dist-info/METADATA").decode()
 
-        assert wheel_data == """\
+        assert (
+            wheel_data
+            == """\
 Metadata-Version: 2.1
 Name: my-package
 Version: 1.2.3
@@ -210,6 +218,7 @@ def test_complete(no_vcs: bool) -> None:
 ==========
 
 """
+        )
         actual_records = zipf.read("my_package-1.2.3.dist-info/RECORD").decode()
 
         # The SHA hashes vary per operating systems.
diff --git a/tests/packages/test_dependency.py b/tests/packages/test_dependency.py
index 43deb823f..eb134f4ee 100644
--- a/tests/packages/test_dependency.py
+++ b/tests/packages/test_dependency.py
@@ -45,8 +45,7 @@ def test_to_pep_508() -> None:
 
     result = dependency.to_pep_508()
     assert (
-        result
-        == "Django (>=1.23,<2.0) ; "
+        result == "Django (>=1.23,<2.0) ; "
         'python_version >= "2.7" and python_version < "2.8" '
         'or python_version >= "3.6" and python_version < "4.0"'
     )
@@ -78,8 +77,7 @@ def test_to_pep_508_in_extras() -> None:
 
     result = dependency.to_pep_508()
     assert (
-        result
-        == "Django (>=1.23,<2.0) ; "
+        result == "Django (>=1.23,<2.0) ; "
         "("
         'python_version >= "2.7" and python_version < "2.8" '
         'or python_version >= "3.6" and python_version < "4.0"'
@@ -89,8 +87,7 @@ def test_to_pep_508_in_extras() -> None:
 
     result = dependency.to_pep_508(with_extras=False)
     assert (
-        result
-        == "Django (>=1.23,<2.0) ; "
+        result == "Django (>=1.23,<2.0) ; "
         'python_version >= "2.7" and python_version < "2.8" '
         'or python_version >= "3.6" and python_version < "4.0"'
     )
diff --git a/tests/packages/test_main.py b/tests/packages/test_main.py
index 6e56f0001..862f12631 100644
--- a/tests/packages/test_main.py
+++ b/tests/packages/test_main.py
@@ -103,8 +103,7 @@ def test_dependency_from_pep_508_complex() -> None:
     assert dep.in_extras == ["foo"]
     assert dep.python_versions == ">=2.7 !=3.2.*"
     assert (
-        str(dep.marker)
-        == 'python_version >= "2.7" and python_version != "3.2" '
+        str(dep.marker) == 'python_version >= "2.7" and python_version != "3.2" '
         'and (sys_platform == "win32" or sys_platform == "darwin") '
         'and extra == "foo"'
     )
@@ -169,8 +168,7 @@ def test_dependency_from_pep_508_with_python_version_union_of_multi() -> None:
     assert dep.extras == frozenset()
     assert dep.python_versions == ">=2.7 <2.8 || >=3.4 <3.5"
     assert (
-        str(dep.marker)
-        == 'python_version >= "2.7" and python_version < "2.8" '
+        str(dep.marker) == 'python_version >= "2.7" and python_version < "2.8" '
         'or python_version >= "3.4" and python_version < "3.5"'
     )
 
@@ -288,8 +286,7 @@ def test_dependency_from_pep_508_with_python_full_version() -> None:
     assert dep.extras == frozenset()
     assert dep.python_versions == ">=2.7 <2.8 || >=3.4.0 <3.5.4"
     assert (
-        str(dep.marker)
-        == 'python_version >= "2.7" and python_version < "2.8" '
+        str(dep.marker) == 'python_version >= "2.7" and python_version < "2.8" '
         'or python_full_version >= "3.4.0" and python_full_version < "3.5.4"'
     )
 
diff --git a/tests/spdx/test_license.py b/tests/spdx/test_license.py
index 6cada0735..d5b2f5c37 100644
--- a/tests/spdx/test_license.py
+++ b/tests/spdx/test_license.py
@@ -28,8 +28,7 @@ def test_classifier() -> None:
     license = license_by_id("lgpl-3.0-or-later")
 
     assert (
-        license.classifier
-        == "License :: "
+        license.classifier == "License :: "
         "OSI Approved :: "
         "GNU Lesser General Public License v3 or later (LGPLv3+)"
     )
diff --git a/tests/version/test_markers.py b/tests/version/test_markers.py
index 1d1315fe2..6389a99b1 100644
--- a/tests/version/test_markers.py
+++ b/tests/version/test_markers.py
@@ -292,8 +292,7 @@ def test_single_marker_union_with_multi() -> None:
         parse_marker('implementation_name == "cpython" and python_version >= "3.6"')
     )
     assert (
-        str(union)
-        == 'implementation_name == "cpython" and python_version >= "3.6" or'
+        str(union) == 'implementation_name == "cpython" and python_version >= "3.6" or'
         ' sys_platform == "darwin"'
     )
 
@@ -536,8 +535,7 @@ def test_multi_marker_union_multi() -> None:
 
     union = m.union(parse_marker('python_version >= "3.6" and os_name == "Windows"'))
     assert (
-        str(union)
-        == 'sys_platform == "darwin" and implementation_name == "cpython" '
+        str(union) == 'sys_platform == "darwin" and implementation_name == "cpython" '
         'or python_version >= "3.6" and os_name == "Windows"'
     )
 
@@ -809,8 +807,7 @@ def test_marker_union_union_with_union() -> None:
         parse_marker('implementation_name == "cpython" or os_name == "Windows"')
     )
     assert (
-        str(union)
-        == 'sys_platform == "darwin" or python_version < "3.4" '
+        str(union) == 'sys_platform == "darwin" or python_version < "3.4" '
         'or implementation_name == "cpython" or os_name == "Windows"'
     )
 
@@ -1784,8 +1781,7 @@ def test_intersection_avoids_combinatorial_explosion() -> None:
         ' or platform_machine == "WIN32")'
     )
     assert (
-        str(m2.intersect(m1))
-        == 'python_full_version >= "3.11.0"'
+        str(m2.intersect(m1)) == 'python_full_version >= "3.11.0"'
         ' and (platform_machine == "aarch64" or platform_machine == "ppc64le"'
         ' or platform_machine == "x86_64" or platform_machine == "amd64"'
         ' or platform_machine == "AMD64" or platform_machine == "win32"'