diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4e2ad725..6e9120a7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -19,7 +19,7 @@ repos:
         args: ["--fix"]
 
   - repo: https://github.com/psf/black
-    rev: 23.12.1
+    rev: 24.1.1
     hooks:
       - id: black
 
diff --git a/diracx-cli/src/diracx/cli/internal/legacy.py b/diracx-cli/src/diracx/cli/internal/legacy.py
index fbdc00b9..995b53df 100644
--- a/diracx-cli/src/diracx/cli/internal/legacy.py
+++ b/diracx-cli/src/diracx/cli/internal/legacy.py
@@ -289,9 +289,9 @@ def generate_helm_values(
     # Sandboxstore settings
     # TODO: Integrate minio for production use (ingress, etc)
     # By default, take the server hostname and prepend "sandboxes"
-    diracx_settings[
-        "DIRACX_SANDBOX_STORE_BUCKET_NAME"
-    ] = f"{diracx_hostname.split('.')[0]}-sandboxes"
+    diracx_settings["DIRACX_SANDBOX_STORE_BUCKET_NAME"] = (
+        f"{diracx_hostname.split('.')[0]}-sandboxes"
+    )
     diracx_settings["DIRACX_SANDBOX_STORE_S3_CLIENT_KWARGS"] = json.dumps(
         {
             "endpoint_url": "FILL ME",
diff --git a/diracx-client/src/diracx/client/_serialization.py b/diracx-client/src/diracx/client/_serialization.py
index f5c9e575..03d04398 100644
--- a/diracx-client/src/diracx/client/_serialization.py
+++ b/diracx-client/src/diracx/client/_serialization.py
@@ -799,9 +799,11 @@ def query(self, name, data, data_type, **kwargs):
             if data_type.startswith("["):
                 internal_data_type = data_type[1:-1]
                 data = [
-                    self.serialize_data(d, internal_data_type, **kwargs)
-                    if d is not None
-                    else ""
+                    (
+                        self.serialize_data(d, internal_data_type, **kwargs)
+                        if d is not None
+                        else ""
+                    )
                     for d in data
                 ]
                 if not kwargs.get("skip_quote", False):
diff --git a/diracx-core/src/diracx/core/config/__init__.py b/diracx-core/src/diracx/core/config/__init__.py
index 6f91dc79..e13de328 100644
--- a/diracx-core/src/diracx/core/config/__init__.py
+++ b/diracx-core/src/diracx/core/config/__init__.py
@@ -49,16 +49,13 @@ class ConfigSource(metaclass=ABCMeta):
     scheme: str
 
     @abstractmethod
-    def __init__(self, *, backend_url: ConfigSourceUrl) -> None:
-        ...
+    def __init__(self, *, backend_url: ConfigSourceUrl) -> None: ...
 
     @abstractmethod
-    def latest_revision(self) -> tuple[str, datetime]:
-        ...
+    def latest_revision(self) -> tuple[str, datetime]: ...
 
     @abstractmethod
-    def read_raw(self, hexsha: str, modified: datetime) -> Config:
-        ...
+    def read_raw(self, hexsha: str, modified: datetime) -> Config: ...
 
     def __init_subclass__(cls) -> None:
         if cls.scheme in cls.__registry:
diff --git a/diracx-core/src/diracx/core/exceptions.py b/diracx-core/src/diracx/core/exceptions.py
index 65d143e0..2d045589 100644
--- a/diracx-core/src/diracx/core/exceptions.py
+++ b/diracx-core/src/diracx/core/exceptions.py
@@ -15,8 +15,7 @@ def __init__(self, detail: str = "Unknown"):
         self.detail = detail
 
 
-class AuthorizationError(DiracError):
-    ...
+class AuthorizationError(DiracError): ...
 
 
 class PendingAuthorizationError(AuthorizationError):
diff --git a/diracx-core/src/diracx/core/properties.py b/diracx-core/src/diracx/core/properties.py
index 8bf80201..7287d319 100644
--- a/diracx-core/src/diracx/core/properties.py
+++ b/diracx-core/src/diracx/core/properties.py
@@ -1,6 +1,7 @@
 """ Just listing the possible Properties
 This module contains list of Properties that can be assigned to users and groups
 """
+
 from __future__ import annotations
 
 import inspect
diff --git a/diracx-core/src/diracx/core/s3.py b/diracx-core/src/diracx/core/s3.py
index 6fc56657..b840f0cd 100644
--- a/diracx-core/src/diracx/core/s3.py
+++ b/diracx-core/src/diracx/core/s3.py
@@ -1,4 +1,5 @@
 """Utilities for interacting with S3-compatible storage."""
+
 from __future__ import annotations
 
 __all__ = (
diff --git a/diracx-db/src/diracx/db/os/utils.py b/diracx-db/src/diracx/db/os/utils.py
index 96665201..224c48c0 100644
--- a/diracx-db/src/diracx/db/os/utils.py
+++ b/diracx-db/src/diracx/db/os/utils.py
@@ -34,8 +34,7 @@ class BaseOSDB(metaclass=ABCMeta):
     index_prefix: str
 
     @abstractmethod
-    def index_name(self, doc_id: int) -> str:
-        ...
+    def index_name(self, doc_id: int) -> str: ...
 
     def __init__(self, connection_kwargs: dict[str, Any]) -> None:
         self._client: AsyncOpenSearch | None = None