diff --git a/poetry.lock b/poetry.lock
index 65475c7..13382b9 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 = "23.10.1"
 description = "The uncompromising code formatter."
 optional = false
-python-versions = ">=3.6.2"
-files = [
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-    {file = "black-22.8.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:e8166b7bfe5dcb56d325385bd1d1e0f635f24aae14b3ae437102dedc0c186747"},
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-    {file = "black-22.8.0.tar.gz", hash = "sha256:792f7eb540ba9a17e8656538701d3eb1afcb134e3b45b71f20b25c77a8db7e6e"},
+python-versions = ">=3.8"
+files = [
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+    {file = "black-23.10.1-cp310-cp310-macosx_10_16_x86_64.whl", hash = "sha256:1b917a2aa020ca600483a7b340c165970b26e9029067f019e3755b56e8dd5916"},
+    {file = "black-23.10.1-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:9c74de4c77b849e6359c6f01987e94873c707098322b91490d24296f66d067dc"},
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+    {file = "black-23.10.1-cp311-cp311-macosx_10_16_arm64.whl", hash = "sha256:b15b75fc53a2fbcac8a87d3e20f69874d161beef13954747e053bca7a1ce53a0"},
+    {file = "black-23.10.1-cp311-cp311-macosx_10_16_x86_64.whl", hash = "sha256:e293e4c2f4a992b980032bbd62df07c1bcff82d6964d6c9496f2cd726e246ace"},
+    {file = "black-23.10.1-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:7d56124b7a61d092cb52cce34182a5280e160e6aff3137172a68c2c2c4b76bcb"},
+    {file = "black-23.10.1-cp311-cp311-win_amd64.whl", hash = "sha256:3f157a8945a7b2d424da3335f7ace89c14a3b0625e6593d21139c2d8214d55ce"},
+    {file = "black-23.10.1-cp38-cp38-macosx_10_16_arm64.whl", hash = "sha256:cfcce6f0a384d0da692119f2d72d79ed07c7159879d0bb1bb32d2e443382bf3a"},
+    {file = "black-23.10.1-cp38-cp38-macosx_10_16_x86_64.whl", hash = "sha256:33d40f5b06be80c1bbce17b173cda17994fbad096ce60eb22054da021bf933d1"},
+    {file = "black-23.10.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:840015166dbdfbc47992871325799fd2dc0dcf9395e401ada6d88fe11498abad"},
+    {file = "black-23.10.1-cp38-cp38-win_amd64.whl", hash = "sha256:037e9b4664cafda5f025a1728c50a9e9aedb99a759c89f760bd83730e76ba884"},
+    {file = "black-23.10.1-cp39-cp39-macosx_10_16_arm64.whl", hash = "sha256:7cb5936e686e782fddb1c73f8aa6f459e1ad38a6a7b0e54b403f1f05a1507ee9"},
+    {file = "black-23.10.1-cp39-cp39-macosx_10_16_x86_64.whl", hash = "sha256:7670242e90dc129c539e9ca17665e39a146a761e681805c54fbd86015c7c84f7"},
+    {file = "black-23.10.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:5ed45ac9a613fb52dad3b61c8dea2ec9510bf3108d4db88422bacc7d1ba1243d"},
+    {file = "black-23.10.1-cp39-cp39-win_amd64.whl", hash = "sha256:6d23d7822140e3fef190734216cefb262521789367fbdc0b3f22af6744058982"},
+    {file = "black-23.10.1-py3-none-any.whl", hash = "sha256:d431e6739f727bb2e0495df64a6c7a5310758e87505f5f8cde9ff6c0f2d7e4fe"},
+    {file = "black-23.10.1.tar.gz", hash = "sha256:1f8ce316753428ff68749c65a5f7844631aa18c8679dfd3ca9dc1a289979c258"},
 ]
 
 [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 = "7161165a65cb3b04e5d4dba9cf1d3aa6598e88e9efc2d1b9eb39d8162291c8a0"
diff --git a/pyproject.toml b/pyproject.toml
index 62e4888..32405f7 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 = "23.10.1"
 isort = "5.12.0"
 
 [build-system]