diff --git a/poetry.lock b/poetry.lock
index 65475c7..695ae4f 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 1.6.1 and should not be changed by hand.
 
 [[package]]
 name = "backports-zoneinfo"
@@ -48,43 +48,39 @@ lxml = ["lxml"]
 
 [[package]]
 name = "black"
-version = "22.8.0"
+version = "23.10.0"
 description = "The uncompromising code formatter."
 optional = false
-python-versions = ">=3.6.2"
-files = [
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+python-versions = ">=3.8"
+files = [
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+    {file = "black-23.10.0-cp310-cp310-macosx_10_16_x86_64.whl", hash = "sha256:f20ff03f3fdd2fd4460b4f631663813e57dc277e37fb216463f3b907aa5a9bdd"},
+    {file = "black-23.10.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:d3d9129ce05b0829730323bdcb00f928a448a124af5acf90aa94d9aba6969604"},
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+    {file = "black-23.10.0-cp311-cp311-macosx_10_16_arm64.whl", hash = "sha256:30b78ac9b54cf87bcb9910ee3d499d2bc893afd52495066c49d9ee6b21eee06e"},
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+    {file = "black-23.10.0-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:31946ec6f9c54ed7ba431c38bc81d758970dd734b96b8e8c2b17a367d7908171"},
+    {file = "black-23.10.0-cp311-cp311-win_amd64.whl", hash = "sha256:c870bee76ad5f7a5ea7bd01dc646028d05568d33b0b09b7ecfc8ec0da3f3f39c"},
+    {file = "black-23.10.0-cp38-cp38-macosx_10_16_arm64.whl", hash = "sha256:6901631b937acbee93c75537e74f69463adaf34379a04eef32425b88aca88a23"},
+    {file = "black-23.10.0-cp38-cp38-macosx_10_16_x86_64.whl", hash = "sha256:481167c60cd3e6b1cb8ef2aac0f76165843a374346aeeaa9d86765fe0dd0318b"},
+    {file = "black-23.10.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:f74892b4b836e5162aa0452393112a574dac85e13902c57dfbaaf388e4eda37c"},
+    {file = "black-23.10.0-cp38-cp38-win_amd64.whl", hash = "sha256:47c4510f70ec2e8f9135ba490811c071419c115e46f143e4dce2ac45afdcf4c9"},
+    {file = "black-23.10.0-cp39-cp39-macosx_10_16_arm64.whl", hash = "sha256:76baba9281e5e5b230c9b7f83a96daf67a95e919c2dfc240d9e6295eab7b9204"},
+    {file = "black-23.10.0-cp39-cp39-macosx_10_16_x86_64.whl", hash = "sha256:a3c2ddb35f71976a4cfeca558848c2f2f89abc86b06e8dd89b5a65c1e6c0f22a"},
+    {file = "black-23.10.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:db451a3363b1e765c172c3fd86213a4ce63fb8524c938ebd82919bf2a6e28c6a"},
+    {file = "black-23.10.0-cp39-cp39-win_amd64.whl", hash = "sha256:7fb5fc36bb65160df21498d5a3dd330af8b6401be3f25af60c6ebfe23753f747"},
+    {file = "black-23.10.0-py3-none-any.whl", hash = "sha256:e223b731a0e025f8ef427dd79d8cd69c167da807f5710add30cdf131f13dd62e"},
+    {file = "black-23.10.0.tar.gz", hash = "sha256:31b9f87b277a68d0e99d2905edae08807c007973eaa609da5f0c62def6b7c0bd"},
 ]
 
 [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)"]
@@ -1162,8 +1158,8 @@ 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 +1731,4 @@ weiterbildungssuche = ["de-weiterbildungssuche"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<4"
-content-hash = "4acc6f1439688820c54a2a7e53e6963c825503ac3897462da34c56fb3d252019"
+content-hash = "e40db4c31c07bd508c84c444e4799746ddcc70033c985f11015951e7a97f9e0b"
diff --git a/pyproject.toml b/pyproject.toml
index 62e4888..f10205d 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 = "23.10.0"
 isort = "5.12.0"
 
 [build-system]