diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a9132aac..b86ae46a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -66,7 +66,7 @@ jobs:
         # black is synced with the .pre-commit-hooks version
         run: |
           python -m pip install --upgrade pip
-          pip install bandit[toml] pycodestyle pylint black==22.12.0
+          pip install bandit[toml] pycodestyle pylint black==23.11.0
 
       - name: Run pycodestyle
         # E203: pycodestyle is a little too rigid about slices & whitespace
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 370ec9b9..240bd1ad 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
 repos:
   - repo: https://github.com/psf/black
     # this version is synced with the black mentioned in .github/workflows/ci.yml
-    rev: 22.12.0
+    rev: 23.11.0
     hooks:
       - id: black
         entry: bash -c 'black "$@"; git add -u' --
diff --git a/cumulus_etl/common.py b/cumulus_etl/common.py
index c45a694b..924a0f2b 100644
--- a/cumulus_etl/common.py
+++ b/cumulus_etl/common.py
@@ -22,6 +22,7 @@
 #
 ###############################################################################
 
+
 # We often want the ability to provide a TemporaryDirectory _or_ an actual real folder that isn't temporary.
 # So for that use case, we define a Directory protocol for typing purposes, which looks like a TemporaryDirectory.
 # And then a RealDirectory class that does not delete its folder.
diff --git a/pyproject.toml b/pyproject.toml
index 02c03693..83bb7bac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,6 +75,6 @@ tests = [
     "respx",
 ]
 dev = [
-    "black == 22.12.0",
+    "black == 23.11.0",
     "pre-commit"
 ]
diff --git a/tests/etl/test_batching.py b/tests/etl/test_batching.py
index 70158a9d..08f463d6 100644
--- a/tests/etl/test_batching.py
+++ b/tests/etl/test_batching.py
@@ -90,6 +90,7 @@ class TestBatching(AsyncTestCase):
     @ddt.unpack
     async def test_batch_iterate(self, values, batch_size, expected):
         """Check a bunch of edge cases for the batch_iterate helper"""
+
         # Tiny little convenience method to be turn sync lists into async iterators.
         async def async_iter() -> AsyncIterator:
             for x in values:
diff --git a/tests/fhir/test_fhir_client.py b/tests/fhir/test_fhir_client.py
index 06cc17eb..feacf61e 100644
--- a/tests/fhir/test_fhir_client.py
+++ b/tests/fhir/test_fhir_client.py
@@ -283,7 +283,9 @@ async def test_get_error_429(self):
     )
     async def test_get_error_other(self, response_args):
         """Verify that other http errors are FatalErrors."""
-        self.respx_mock.get(f"{self.server_url}/foo",).mock(
+        self.respx_mock.get(
+            f"{self.server_url}/foo",
+        ).mock(
             return_value=make_response(status_code=500, **response_args),
         )
 
@@ -333,11 +335,16 @@ def mock_as_server_type(self, server_type: str | None):
     @ddt.unpack
     async def test_client_id_in_header(self, server_type, expected_text):
         # Mock with header
-        self.respx_mock.get(f"{self.server_url}/file", headers={"Epic-Client-ID": "my-id"},).respond(
+        self.respx_mock.get(
+            f"{self.server_url}/file",
+            headers={"Epic-Client-ID": "my-id"},
+        ).respond(
             text="present",
         )
         # And without
-        self.respx_mock.get(f"{self.server_url}/file",).respond(
+        self.respx_mock.get(
+            f"{self.server_url}/file",
+        ).respond(
             text="missing",
         )
 
diff --git a/tests/test_bulk_export.py b/tests/test_bulk_export.py
index 352dd3eb..900dadc2 100644
--- a/tests/test_bulk_export.py
+++ b/tests/test_bulk_export.py
@@ -276,7 +276,9 @@ def set_up_requests(self, respx_mock):
         )
 
         # /token
-        respx_mock.post(f"{self.root.path}/token",).respond(
+        respx_mock.post(
+            f"{self.root.path}/token",
+        ).respond(
             json={
                 "access_token": "1234567890",
             },