diff --git a/requirements-dev.in b/requirements-dev.in
index 6adecb3f..3f3bb4db 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -4,16 +4,16 @@
 
 -c requirements.txt
 
-black==24.4.2
+black==24.8.0
 bumpversion==0.5.3
-coverage==7.5.4
-flake8==7.1.0
+coverage==7.6.1
+flake8==7.1.1
 isort==5.13.2
-mypy==1.10.1
+mypy==1.11.1
 pip-tools==7.4.1
-tox==4.16.0
+tox==4.18.0
 twine==5.1.1
-types-jsonschema==4.22.0.20240610
-types-pyOpenSSL==24.1.0.20240425
+types-jsonschema==4.23.0.20240813
+types-pyOpenSSL==24.1.0.20240722
 types-pytz==2024.1.0.20240417
 wheel==0.44.0
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9f14d988..7971f92a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ attrs==23.2.0
     # via
     #   -c requirements.txt
     #   referencing
-black==24.4.2
+black==24.8.0
     # via -r requirements-dev.in
 bleach==5.0.1
     # via readme-renderer
@@ -16,7 +16,7 @@ build==1.0.3
     # via pip-tools
 bumpversion==0.5.3
     # via -r requirements-dev.in
-cachetools==5.3.3
+cachetools==5.5.0
     # via tox
 certifi==2024.7.4
     # via
@@ -36,7 +36,7 @@ click==8.0.3
     #   pip-tools
 colorama==0.4.6
     # via tox
-coverage==7.5.4
+coverage==7.6.1
     # via -r requirements-dev.in
 cryptography==42.0.8
     # via
@@ -51,7 +51,7 @@ filelock==3.15.4
     # via
     #   tox
     #   virtualenv
-flake8==7.1.0
+flake8==7.1.1
     # via -r requirements-dev.in
 idna==3.7
     # via requests
@@ -74,7 +74,7 @@ mccabe==0.7.0
     # via flake8
 mdurl==0.1.2
     # via markdown-it-py
-mypy==1.10.1
+mypy==1.11.1
     # via -r requirements-dev.in
 mypy-extensions==1.0.0
     # via
@@ -151,15 +151,15 @@ tomli==2.0.1
     #   pyproject-api
     #   pyproject-hooks
     #   tox
-tox==4.16.0
+tox==4.18.0
     # via -r requirements-dev.in
 twine==5.1.1
     # via -r requirements-dev.in
 types-cffi==1.16.0.20240331
     # via types-pyopenssl
-types-jsonschema==4.22.0.20240610
+types-jsonschema==4.23.0.20240813
     # via -r requirements-dev.in
-types-pyopenssl==24.1.0.20240425
+types-pyopenssl==24.1.0.20240722
     # via -r requirements-dev.in
 types-pytz==2024.1.0.20240417
     # via -r requirements-dev.in
diff --git a/src/scripts/clean_dte_xml_file.py b/src/scripts/clean_dte_xml_file.py
index 3f846902..cb1f3ca9 100755
--- a/src/scripts/clean_dte_xml_file.py
+++ b/src/scripts/clean_dte_xml_file.py
@@ -62,17 +62,16 @@ def clean_dte_xml_file(input_file_path: str, output_file_path: str) -> Iterable[
     # note: another way to compute the difference in a similar format is
     #   `diff -Naur $input_file_path $output_file_path`
     file_bytes_diff_gen = difflib.diff_bytes(
-        dfunc=difflib.unified_diff,
-        a=file_bytes.splitlines(),
-        b=file_bytes_rewritten.splitlines())
+        dfunc=difflib.unified_diff, a=file_bytes.splitlines(), b=file_bytes_rewritten.splitlines()
+    )
 
     return file_bytes_diff_gen
 
 
 def main_single_file(input_file_path: str, output_file_path: str) -> None:
     file_bytes_diff_gen = clean_dte_xml_file(
-        input_file_path=input_file_path,
-        output_file_path=output_file_path)
+        input_file_path=input_file_path, output_file_path=output_file_path
+    )
 
     for diff_line in file_bytes_diff_gen:
         print(diff_line)
@@ -89,8 +88,8 @@ def main_dir_files(input_files_dir_path: str) -> None:
 
         print(f"\n\nWill clean file '{input_file_path}' and save it to '{output_file_path}'.")
         file_bytes_diff_gen = clean_dte_xml_file(
-            input_file_path=input_file_path,
-            output_file_path=output_file_path)
+            input_file_path=input_file_path, output_file_path=output_file_path
+        )
 
         print("Difference between input and output files:")
         diff_line = None
@@ -102,11 +101,8 @@ def main_dir_files(input_files_dir_path: str) -> None:
 
 if __name__ == '__main__':
     if sys.argv[1] == 'file':
-        main_single_file(
-            input_file_path=sys.argv[2],
-            output_file_path=sys.argv[3])
+        main_single_file(input_file_path=sys.argv[2], output_file_path=sys.argv[3])
     elif sys.argv[1] == 'dir':
-        main_dir_files(
-            input_files_dir_path=sys.argv[2])
+        main_dir_files(input_files_dir_path=sys.argv[2])
     else:
         raise ValueError(f"Invalid option: '{sys.argv[1]}'")
diff --git a/src/scripts/example.py b/src/scripts/example.py
index 8c4259af..5c88cf19 100755
--- a/src/scripts/example.py
+++ b/src/scripts/example.py
@@ -49,6 +49,7 @@
 # script
 ###############################################################################
 
+
 def main(args: Sequence[str]) -> None:
     start_ts = datetime.now()
 
@@ -57,8 +58,7 @@ def main(args: Sequence[str]) -> None:
     try:
         print("Action: do something")
     except FileNotFoundError:
-        logger.exception(
-            "Process aborted: a file could not be opened.", exc_info=True)
+        logger.exception("Process aborted: a file could not be opened.", exc_info=True)
     except KeyboardInterrupt:
         logger.error("Process interrupted by user.")
     except Exception: