diff --git a/poetry.lock b/poetry.lock
index 65475c7..020a261 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.5.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
 
 [[package]]
 name = "backports-zoneinfo"
@@ -48,47 +48,47 @@ lxml = ["lxml"]
 
 [[package]]
 name = "black"
-version = "22.8.0"
+version = "23.12.0"
 description = "The uncompromising code formatter."
 optional = false
-python-versions = ">=3.6.2"
-files = [
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+python-versions = ">=3.8"
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+    {file = "black-23.12.0-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:996650a89fe5892714ea4ea87bc45e41a59a1e01675c42c433a35b490e5aa3f0"},
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+    {file = "black-23.12.0-cp39-cp39-win_amd64.whl", hash = "sha256:6a82a711d13e61840fb11a6dfecc7287f2424f1ca34765e70c909a35ffa7fb95"},
+    {file = "black-23.12.0-py3-none-any.whl", hash = "sha256:a7c07db8200b5315dc07e331dda4d889a56f6bf4db6a9c2a526fa3166a81614f"},
+    {file = "black-23.12.0.tar.gz", hash = "sha256:330a327b422aca0634ecd115985c1c7fd7bdb5b5a2ef8aa9888a82e2ebe9437a"},
 ]
 
 [package.dependencies]
 click = ">=8.0.0"
 mypy-extensions = ">=0.4.3"
+packaging = ">=22.0"
 pathspec = ">=0.9.0"
 platformdirs = ">=2"
-tomli = {version = ">=1.1.0", markers = "python_full_version < \"3.11.0a7\""}
-typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}
+tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
+typing-extensions = {version = ">=4.0.1", markers = "python_version < \"3.11\""}
 
 [package.extras]
 colorama = ["colorama (>=0.4.3)"]
-d = ["aiohttp (>=3.7.4)"]
+d = ["aiohttp (>=3.7.4)", "aiohttp (>=3.7.4,!=3.9.0)"]
 jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
 uvloop = ["uvloop (>=0.15.2)"]
 
@@ -1162,8 +1162,8 @@ files = [
 [package.dependencies]
 numpy = [
     {version = ">=1.20.3", markers = "python_version < \"3.10\""},
-    {version = ">=1.21.0", markers = "python_version >= \"3.10\""},
     {version = ">=1.23.2", markers = "python_version >= \"3.11\""},
+    {version = ">=1.21.0", markers = "python_version >= \"3.10\" and python_version < \"3.11\""},
 ]
 python-dateutil = ">=2.8.2"
 pytz = ">=2020.1"
@@ -1735,4 +1735,4 @@ weiterbildungssuche = ["de-weiterbildungssuche"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<4"
-content-hash = "4acc6f1439688820c54a2a7e53e6963c825503ac3897462da34c56fb3d252019"
+content-hash = "b9da69c6f667160e3030a4c033ebbf2c2067a6fb9c05f57744e58f1f1e316e64"
diff --git a/pyproject.toml b/pyproject.toml
index 62e4888..3738968 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -98,7 +98,7 @@ all = ["de-bundestag-lobbyregister","de-dip-bundestag","de-pegel-online","de-aus
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.2"
-black = "22.8.0"
+black = "23.12.0"
 isort = "5.12.0"
 
 [build-system]