diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 77a2089b2..b70e4b43c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 19.10b0
+    rev: 20.8b1
     hooks:
       - id: black
         args:
diff --git a/requirements_tests.txt b/requirements_tests.txt
index 36fa97d4c..b3dbf4efb 100644
--- a/requirements_tests.txt
+++ b/requirements_tests.txt
@@ -1,4 +1,4 @@
-black==19.10b0
+black==20.8b1
 codecov==2.1.9
 coverage==5.2.1
 flake8-docstrings==1.5.0
diff --git a/supervisor/core.py b/supervisor/core.py
index b61250e80..e2ce98af5 100644
--- a/supervisor/core.py
+++ b/supervisor/core.py
@@ -127,7 +127,8 @@ class Core(CoreSysAttributes):
             if self.sys_host.info.operating_system not in SUPERVISED_SUPPORTED_OS:
                 self.supported = False
                 _LOGGER.error(
-                    "Detected unsupported OS: %s", self.sys_host.info.operating_system,
+                    "Detected unsupported OS: %s",
+                    self.sys_host.info.operating_system,
                 )
 
         # Check all DBUS connectivity
diff --git a/supervisor/utils/gdbus.py b/supervisor/utils/gdbus.py
index 54ddbcf2c..e1deec431 100644
--- a/supervisor/utils/gdbus.py
+++ b/supervisor/utils/gdbus.py
@@ -45,7 +45,9 @@ MAP_GDBUS_ERROR: Dict[str, Any] = {
 }
 
 # Commands for dbus
-INTROSPECT: str = "gdbus introspect --system --dest {bus} " "--object-path {object} --xml"
+INTROSPECT: str = (
+    "gdbus introspect --system --dest {bus} " "--object-path {object} --xml"
+)
 CALL: str = (
     "gdbus call --system --dest {bus} --object-path {object} "
     "--method {method} {args}"
diff --git a/tests/addons/test_options_schema.py b/tests/addons/test_options_schema.py
index f44983adc..aaeba2e7e 100644
--- a/tests/addons/test_options_schema.py
+++ b/tests/addons/test_options_schema.py
@@ -34,32 +34,38 @@ def test_simple_schema(coresys):
 def test_complex_schema_list(coresys):
     """Test with complex list schema."""
     assert validate_options(
-        coresys, {"name": "str", "password": "password", "extend": ["str"]},
+        coresys,
+        {"name": "str", "password": "password", "extend": ["str"]},
     )({"name": "Pascal", "password": "1234", "extend": ["test", "blu"]})
 
     with pytest.raises(vol.error.Invalid):
         validate_options(
-            coresys, {"name": "str", "password": "password", "extend": ["str"]},
+            coresys,
+            {"name": "str", "password": "password", "extend": ["str"]},
         )({"name": "Pascal", "password": "1234", "extend": ["test", 1]})
 
     with pytest.raises(vol.error.Invalid):
         validate_options(
-            coresys, {"name": "str", "password": "password", "extend": ["str"]},
+            coresys,
+            {"name": "str", "password": "password", "extend": ["str"]},
         )({"name": "Pascal", "password": "1234", "extend": "test"})
 
 
 def test_complex_schema_dict(coresys):
     """Test with complex dict schema."""
     assert validate_options(
-        coresys, {"name": "str", "password": "password", "extend": {"test": "int"}},
+        coresys,
+        {"name": "str", "password": "password", "extend": {"test": "int"}},
     )({"name": "Pascal", "password": "1234", "extend": {"test": 1}})
 
     with pytest.raises(vol.error.Invalid):
         validate_options(
-            coresys, {"name": "str", "password": "password", "extend": {"test": "int"}},
+            coresys,
+            {"name": "str", "password": "password", "extend": {"test": "int"}},
         )({"name": "Pascal", "password": "1234", "extend": {"wrong": 1}})
 
     with pytest.raises(vol.error.Invalid):
         validate_options(
-            coresys, {"name": "str", "password": "password", "extend": ["str"]},
+            coresys,
+            {"name": "str", "password": "password", "extend": ["str"]},
         )({"name": "Pascal", "password": "1234", "extend": "test"})
diff --git a/tests/conftest.py b/tests/conftest.py
index 7548820ad..1e6490a79 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -49,7 +49,8 @@ def dbus() -> DBus:
         return load_fixture(fixture)
 
     with patch("supervisor.utils.gdbus.DBus._send", new=mock_send), patch(
-        "supervisor.dbus.interface.DBusInterface.is_connected", return_value=True,
+        "supervisor.dbus.interface.DBusInterface.is_connected",
+        return_value=True,
     ), patch("supervisor.utils.gdbus.DBus.get_properties", new=mock_get_properties):
 
         dbus_obj = DBus(DBUS_NAME_NM, DBUS_OBJECT_BASE)
@@ -80,9 +81,11 @@ async def coresys(loop, docker, dbus, network_manager, aiohttp_client) -> CoreSy
     with patch("supervisor.bootstrap.initialize_system_data"), patch(
         "supervisor.bootstrap.setup_diagnostics"
     ), patch(
-        "supervisor.bootstrap.fetch_timezone", return_value="Europe/Zurich",
+        "supervisor.bootstrap.fetch_timezone",
+        return_value="Europe/Zurich",
     ), patch(
-        "aiohttp.ClientSession", return_value=TestClient.session,
+        "aiohttp.ClientSession",
+        return_value=TestClient.session,
     ):
         coresys_obj = await initialize_coresys()
 
diff --git a/tests/discovery/test_ozw.py b/tests/discovery/test_ozw.py
index b35b5657f..78aa7860c 100644
--- a/tests/discovery/test_ozw.py
+++ b/tests/discovery/test_ozw.py
@@ -10,7 +10,8 @@ def test_good_config():
     """Test good zwave mqtt config."""
 
     valid_discovery_config(
-        "ozw", {"host": "test", "port": 3812, "username": "bla", "password": "test"},
+        "ozw",
+        {"host": "test", "port": 3812, "username": "bla", "password": "test"},
     )
 
 
diff --git a/tests/utils/test_tarfile.py b/tests/utils/test_tarfile.py
index 24f6116bb..c81386963 100644
--- a/tests/utils/test_tarfile.py
+++ b/tests/utils/test_tarfile.py
@@ -84,7 +84,10 @@ def test_create_pure_tar():
         temp_tar = temp.joinpath("backup.tar")
         with SecureTarFile(temp_tar, "w") as tar_file:
             atomic_contents_add(
-                tar_file, temp_orig, excludes=[], arcname=".",
+                tar_file,
+                temp_orig,
+                excludes=[],
+                arcname=".",
             )
 
         assert temp_tar.exists()
@@ -117,7 +120,10 @@ def test_create_ecrypted_tar():
         temp_tar = temp.joinpath("backup.tar")
         with SecureTarFile(temp_tar, "w", key=key) as tar_file:
             atomic_contents_add(
-                tar_file, temp_orig, excludes=[], arcname=".",
+                tar_file,
+                temp_orig,
+                excludes=[],
+                arcname=".",
             )
 
         assert temp_tar.exists()