diff --git a/poetry.lock b/poetry.lock
index 929dc00b..b8266abb 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
 
 [[package]]
 name = "alabaster"
@@ -2947,6 +2947,7 @@ files = [
     {file = "PyYAML-6.0.1-cp311-cp311-win_amd64.whl", hash = "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34"},
     {file = "PyYAML-6.0.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28"},
     {file = "PyYAML-6.0.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9"},
+    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a08c6f0fe150303c1c6b71ebcd7213c2858041a7e01975da3a99aed1e7a378ef"},
     {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0"},
     {file = "PyYAML-6.0.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4"},
     {file = "PyYAML-6.0.1-cp312-cp312-win32.whl", hash = "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54"},
@@ -3722,13 +3723,13 @@ files = [
 
 [[package]]
 name = "werkzeug"
-version = "2.3.8"
+version = "3.0.3"
 description = "The comprehensive WSGI web application library."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "werkzeug-2.3.8-py3-none-any.whl", hash = "sha256:bba1f19f8ec89d4d607a3bd62f1904bd2e609472d93cd85e9d4e178f472c3748"},
-    {file = "werkzeug-2.3.8.tar.gz", hash = "sha256:554b257c74bbeb7a0d254160a4f8ffe185243f52a52035060b761ca62d977f03"},
+    {file = "werkzeug-3.0.3-py3-none-any.whl", hash = "sha256:fc9645dc43e03e4d630d23143a04a7f947a9a3b5727cd535fdfe155a17cc48c8"},
+    {file = "werkzeug-3.0.3.tar.gz", hash = "sha256:097e5bfda9f0aba8da6b8545146def481d06aa7d3266e7448e2cccf67dd8bd18"},
 ]
 
 [package.dependencies]
@@ -3785,4 +3786,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.12"
-content-hash = "0d5bf730b5b09df4f5af6054cfa327440798ed8e84785fa5a6a4ba52d559e0a2"
+content-hash = "b26633fa1ea82288a40ee2eda10745b46389d4ce358ab3c48bbe0add12ddc917"
diff --git a/pyproject.toml b/pyproject.toml
index 57d4084b..a0bbcef3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ oemof-network = "0.5.0a1"
 oemof-tabular = {git = "https://github.com/oemof/oemof-tabular.git", rev = "0b17194eedf4940aa3abdbdb53cdcddb81880d12"}
 
 [tool.poetry.group.dev.dependencies]
-Werkzeug = "^2.0.1" # https://github.com/pallets/werkzeug
+Werkzeug = "^3.0.3" # https://github.com/pallets/werkzeug
 ipdb = "^0.13.7"  # https://github.com/gotcha/ipdb
 sphinx = "^5.3.0"  # https://github.com/sphinx-doc/sphinx
 sphinx-material = "^0.0.35"