diff --git a/poetry.lock b/poetry.lock
index fc6ee8b..2bccbb9 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -958,14 +958,14 @@ testing = ["devpi-process (>=1.1.1)", "pytest (>=9.0.2)", "pytest-mock (>=3.15.1
 
 [[package]]
 name = "types-python-dateutil"
-version = "2.9.0.20260518"
+version = "2.9.0.20260716"
 description = "Typing stubs for python-dateutil"
 optional = false
 python-versions = ">=3.10"
 groups = ["dev"]
 files = [
-    {file = "types_python_dateutil-2.9.0.20260518-py3-none-any.whl", hash = "sha256:d6a9c5bd0de61460c8fdef8ab2b400f956a1a1075cce08d4e2b4434e478c50b8"},
-    {file = "types_python_dateutil-2.9.0.20260518.tar.gz", hash = "sha256:51f02dc03b61c7f6a07df45797d4dfe8a1aa47f0b7db9ad89f6fd3a1a70e1b51"},
+    {file = "types_python_dateutil-2.9.0.20260716-py3-none-any.whl", hash = "sha256:1ae41d51a5c5f6bbeeb7f1f34df7086d55ff1605cf88d2ed71a7a276e1a7794e"},
+    {file = "types_python_dateutil-2.9.0.20260716.tar.gz", hash = "sha256:1d55d1c3024bdb4861bb6a6622c9ec800c433d87bdc5b16fb84cdd0eed4ef2cb"},
 ]
 
 [[package]]
@@ -1003,4 +1003,4 @@ typing-extensions = {version = ">=4.13.2", markers = "python_version < \"3.11\""
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<4.0"
-content-hash = "95ab7ce7022278a646ed5d3f937ef09771df4aaac7574ce5e72dba9b07f3443e"
+content-hash = "93213d7d620b7fa015fdc59833fcb1b0db8093f34ce881afd28bb0535e03f8a3"
diff --git a/pyproject.toml b/pyproject.toml
index d8b5cc7..242f396 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,6 +46,6 @@ coverage = "7.15.2"
 flake8 = "7.3.0"
 deepdiff = "9.1.0"
 mypy = "2.2.0"
-types-python-dateutil = "2.9.0.20260518"
+types-python-dateutil = "2.9.0.20260716"
 tox = "4.56.4"
 sortedcontainers-stubs = "2.4.3"