diff --git a/dev_requirements/requirements-formatting.txt b/dev_requirements/requirements-formatting.txt
index 00cc795d..718f254d 100644
--- a/dev_requirements/requirements-formatting.txt
+++ b/dev_requirements/requirements-formatting.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile requirements-formatting.in
 #
-black==23.12.1
+black==24.1.1
     # via -r dev_requirements/requirements-formatting.in
 click==8.1.7
     # via black
diff --git a/src/maus/cli.py b/src/maus/cli.py
index 762b0b14..45166a91 100644
--- a/src/maus/cli.py
+++ b/src/maus/cli.py
@@ -1,6 +1,7 @@
 """
 the maus cli tool
 """
+
 import json
 from pathlib import Path
 
diff --git a/src/maus/division_helper.py b/src/maus/division_helper.py
index 9256619e..80b2a350 100644
--- a/src/maus/division_helper.py
+++ b/src/maus/division_helper.py
@@ -1,6 +1,7 @@
 """
 division helper is a module that allow to distinguish electricity ("Strom") and gas ("Gas")
 """
+
 from enum import Enum
 from typing import Optional
 
diff --git a/src/maus/edifact.py b/src/maus/edifact.py
index bd7d53ac..8979ee00 100644
--- a/src/maus/edifact.py
+++ b/src/maus/edifact.py
@@ -1,6 +1,7 @@
 """
 This module manages EDIFACT related stuff. It's basically a helper module to avoid stringly typed parameters.
 """
+
 import datetime
 import re
 from enum import Enum
diff --git a/src/maus/mig_ahb_matching.py b/src/maus/mig_ahb_matching.py
index 9b49cc4a..cb3da222 100644
--- a/src/maus/mig_ahb_matching.py
+++ b/src/maus/mig_ahb_matching.py
@@ -2,6 +2,7 @@
 MAUS is the MIG AHB Utility stack.
 This module contains methods to merge data from Message Implementation Guide and Anwendungshandbuch
 """
+
 from itertools import groupby
 from typing import List, Optional, Sequence, Set, Tuple
 
diff --git a/src/maus/navigation.py b/src/maus/navigation.py
index 907a8252..a8a0139e 100644
--- a/src/maus/navigation.py
+++ b/src/maus/navigation.py
@@ -3,6 +3,7 @@
 I.e. it allows to loop over an Anwendungshandbuch and "remember" which turns we took in the MIG structure (each turn is
 a AhbLocationLayer) in order to arrive at a certain line of the AHB. This information is stored in an AhbLocation.
 """
+
 import sys
 from enum import Enum
 from typing import Callable, List, Optional, Tuple, TypeVar, Union, overload
@@ -249,27 +250,23 @@ class _PseudoAhbLocation(AhbLocation):
 
 
 @overload
-def find_common_ancestor(location_x: _PseudoAhbLocation, location_y: _PseudoAhbLocation) -> _PseudoAhbLocation:
-    ...
+def find_common_ancestor(location_x: _PseudoAhbLocation, location_y: _PseudoAhbLocation) -> _PseudoAhbLocation: ...
 
 
 @overload
 def find_common_ancestor(
     location_x: _PseudoAhbLocation, location_y: Union[AhbLocation, _PseudoAhbLocation]
-) -> _PseudoAhbLocation:
-    ...
+) -> _PseudoAhbLocation: ...
 
 
 @overload
 def find_common_ancestor(
     location_x: Union[AhbLocation, _PseudoAhbLocation], location_y: _PseudoAhbLocation
-) -> _PseudoAhbLocation:
-    ...
+) -> _PseudoAhbLocation: ...
 
 
 @overload
-def find_common_ancestor(location_x: AhbLocation, location_y: AhbLocation) -> AhbLocation:
-    ...
+def find_common_ancestor(location_x: AhbLocation, location_y: AhbLocation) -> AhbLocation: ...
 
 
 def find_common_ancestor(
diff --git a/src/maus/reader/ahb_location_xml.py b/src/maus/reader/ahb_location_xml.py
index 4ada9622..9852ef20 100644
--- a/src/maus/reader/ahb_location_xml.py
+++ b/src/maus/reader/ahb_location_xml.py
@@ -1,6 +1,7 @@
 """
 module that (de)serializes AhbLocations to/from XML
 """
+
 from typing import List, Union
 
 import attrs
diff --git a/src/maus/reader/etree_element_helpers.py b/src/maus/reader/etree_element_helpers.py
index d6348f53..de5f7f53 100644
--- a/src/maus/reader/etree_element_helpers.py
+++ b/src/maus/reader/etree_element_helpers.py
@@ -2,6 +2,7 @@
 This module contains (static) functions that process single lxml.etree Elements.
 Each function is separately unit tested.
 """
+
 import re
 from typing import List, Literal, Optional
 
diff --git a/src/maus/reader/flat_ahb_reader.py b/src/maus/reader/flat_ahb_reader.py
index cd939fa3..5817b4da 100644
--- a/src/maus/reader/flat_ahb_reader.py
+++ b/src/maus/reader/flat_ahb_reader.py
@@ -1,6 +1,7 @@
 """
 A module that reads AHBs from a given CSV file
 """
+
 import csv
 import logging
 import re
@@ -273,13 +274,11 @@ def to_flat_ahb(self) -> FlatAnwendungshandbuch:
 
 
 @overload
-def _replace_hardcoded_section_names(section_name: str) -> str:
-    ...
+def _replace_hardcoded_section_names(section_name: str) -> str: ...
 
 
 @overload
-def _replace_hardcoded_section_names(section_name: Literal[None]) -> Literal[None]:
-    ...
+def _replace_hardcoded_section_names(section_name: Literal[None]) -> Literal[None]: ...
 
 
 def _replace_hardcoded_section_names(section_name: Optional[str]) -> Optional[str]:
diff --git a/src/maus/reader/mig_ahb_name_helpers.py b/src/maus/reader/mig_ahb_name_helpers.py
index de1e08b4..b312de5a 100644
--- a/src/maus/reader/mig_ahb_name_helpers.py
+++ b/src/maus/reader/mig_ahb_name_helpers.py
@@ -1,19 +1,18 @@
 """
 This module contains helper methods that compare strings, especially names from AHB and MIG.
 """
+
 from typing import Literal, Optional, overload
 
 from lxml import etree  # type:ignore[import]
 
 
 @overload
-def make_name_comparable(orig_str: str) -> str:
-    ...
+def make_name_comparable(orig_str: str) -> str: ...
 
 
 @overload
-def make_name_comparable(orig_str: Literal[None]) -> Literal[None]:
-    ...
+def make_name_comparable(orig_str: Literal[None]) -> Literal[None]: ...
 
 
 def make_name_comparable(orig_str: Optional[str]) -> Optional[str]:
diff --git a/src/maus/reader/mig_reader.py b/src/maus/reader/mig_reader.py
index fac99626..262c872d 100644
--- a/src/maus/reader/mig_reader.py
+++ b/src/maus/reader/mig_reader.py
@@ -1,6 +1,7 @@
 """
 Classes that allow to read XML files that contain structural information (Message Implementation Guide information)
 """
+
 from abc import ABC, abstractmethod
 
 from maus.models.edifact_components import EdifactStack
diff --git a/src/maus/reader/mig_xml_reader.py b/src/maus/reader/mig_xml_reader.py
index a6434d3b..8d1e3455 100644
--- a/src/maus/reader/mig_xml_reader.py
+++ b/src/maus/reader/mig_xml_reader.py
@@ -1,6 +1,7 @@
 """
 contains the MigXmlReader - a MIG Reader that is based on XML MIGs (and therefore requires lxml)
 """
+
 import re
 from pathlib import Path
 from typing import List, Set, TypeVar, Union
diff --git a/src/maus/reader/tree_to_sgh.py b/src/maus/reader/tree_to_sgh.py
index 30f290db..bfc6e876 100644
--- a/src/maus/reader/tree_to_sgh.py
+++ b/src/maus/reader/tree_to_sgh.py
@@ -1,6 +1,7 @@
 """
 A module to parse Hochfrequenz .tree files and return them as Segment Group Hierarchy
 """
+
 from pathlib import Path
 from typing import Union
 
diff --git a/src/maus/transformation.py b/src/maus/transformation.py
index e380adb8..33832cd5 100644
--- a/src/maus/transformation.py
+++ b/src/maus/transformation.py
@@ -21,6 +21,7 @@
 This module contains methods that are relevant when transforming data between your edi-similar structure ("EdiSeed")
 and the application domain ("non-edifact").
 """
+
 import asyncio
 from typing import Any, Awaitable, Dict, List, Mapping, Optional, Protocol, TypeVar
 
diff --git a/tests/unit_tests/example_data_11042.py b/tests/unit_tests/example_data_11042.py
index 59c0b54e..1cd3e133 100644
--- a/tests/unit_tests/example_data_11042.py
+++ b/tests/unit_tests/example_data_11042.py
@@ -1,6 +1,7 @@
 """
 example AHB data for 11042 as of 2021-10-01
 """
+
 from uuid import UUID
 
 from maus.models.anwendungshandbuch import AhbLine, AhbMetaInformation, FlatAnwendungshandbuch
diff --git a/tests/unit_tests/test_maus_provider.py b/tests/unit_tests/test_maus_provider.py
index a867a850..b3791d93 100644
--- a/tests/unit_tests/test_maus_provider.py
+++ b/tests/unit_tests/test_maus_provider.py
@@ -1,6 +1,7 @@
 """
 Test the maus provider as a concept and the file based maus provider as an implementation.
 """
+
 import json
 from pathlib import Path