diff --git a/poetry.lock b/poetry.lock
index b520e74b..e243b9bf 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -518,13 +518,13 @@ tests = ["coverage[toml] (==5.0.4)", "pytest (>=6.0.0,<7.0.0)"]
 
 [[package]]
 name = "python-dateutil"
-version = "2.8.2"
+version = "2.9.0.post0"
 description = "Extensions to the standard Python datetime module"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
 files = [
-    {file = "python-dateutil-2.8.2.tar.gz", hash = "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86"},
-    {file = "python_dateutil-2.8.2-py2.py3-none-any.whl", hash = "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"},
+    {file = "python-dateutil-2.9.0.post0.tar.gz", hash = "sha256:37dd54208da7e1cd875388217d5e00ebd4179249f90fb72437e91a35459a0ad3"},
+    {file = "python_dateutil-2.9.0.post0-py2.py3-none-any.whl", hash = "sha256:a8b2bc7bffae282281c8140a97d3aa9c14da0b136dfe83f850eea9a5f7470427"},
 ]
 
 [package.dependencies]
@@ -658,4 +658,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "1453fcd147cbf31437ecaa4b37deb0f5d880579a2b93b5f668c28c154ed299d8"
+content-hash = "105c6f4faac13cbab49aeed9b0216da2c58b92d89ae20f47b5cf2af5ade35acf"
diff --git a/pyproject.toml b/pyproject.toml
index c9a36e29..80613475 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ repository = "https://github.com/reswitched/robocop-ng"
 
 [tool.poetry.dependencies]
 python = "^3.11"
-python-dateutil = "^2.8.2"
+python-dateutil = "^2.9.0"
 humanize = "^4.8.0"
 parsedatetime = "^2.6"
 aiohttp = "^3.9.3"