diff --git a/poetry.lock b/poetry.lock
index 9128450..ba8b9d5 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1058,14 +1058,14 @@ testing = ["devpi-process (>=1.1.1)", "pytest (>=9.0.2)", "pytest-mock (>=3.15.1
 
 [[package]]
 name = "types-python-dateutil"
-version = "2.9.0.20260807"
+version = "2.9.0.20261021"
 description = "Typing stubs for python-dateutil"
 optional = false
 python-versions = ">=3.10"
 groups = ["dev"]
 files = [
-    {file = "types_python_dateutil-2.9.0.20260807-py3-none-any.whl", hash = "sha256:54aa3707350ed7a9cc0776fd2f6739679d6967d11b40150985e81edcb86df4db"},
-    {file = "types_python_dateutil-2.9.0.20260807.tar.gz", hash = "sha256:e0b8a90d464c8684c66b7b8e4556d9074afdddcc56ca45323f0987134f9e7034"},
+    {file = "types_python_dateutil-2.9.0.20261021-py3-none-any.whl", hash = "sha256:12aab3bdfe55e1d9de7f54301e025d6276ce17e6a08e31644f2202d59c8d1fca"},
+    {file = "types_python_dateutil-2.9.0.20261021.tar.gz", hash = "sha256:62d66fcdd293e38745eae644e5da4cb399b98799c0ae61f03a54896fb51b3140"},
 ]
 
 [[package]]
@@ -1103,4 +1103,4 @@ typing-extensions = {version = ">=4.13.2", markers = "python_version < \"3.11\""
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<4.0"
-content-hash = "91bc76e2cc527714794c951e5298422591dd681b9a34072e0fa29a7b2b639343"
+content-hash = "892c4110f3de4e2f411abde8376424a600688abee557ff0a76413c03c297e034"
diff --git a/pyproject.toml b/pyproject.toml
index df5f0bd..13e8a94 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,6 +46,6 @@ coverage = "7.16.2"
 flake8 = "7.4.1"
 deepdiff = "9.1.0"
 mypy = "2.4.0"
-types-python-dateutil = "2.9.0.20260807"
+types-python-dateutil = "2.9.0.20261021"
 tox = "4.65.0"
 sortedcontainers-stubs = "2.4.3"