diff --git a/pyproject.toml b/pyproject.toml
index 0e8282f25..8ca39367a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -69,7 +69,7 @@ dev = [
     "rich==14.2.0",
     "ruff==0.14.7",
     "types-PyYAML==6.0.12.20250915",
-    "types-python-dateutil==2.9.0.20251008",
+    "types-python-dateutil==2.9.0.20251115",
     "types-python-slugify==8.0.2.20240310",
     "types-requests==2.32.4.20250913",
     "types-urllib3==1.26.25.14",
diff --git a/uv.lock b/uv.lock
index 7bb77d2a1..dd3c35544 100644
--- a/uv.lock
+++ b/uv.lock
@@ -921,7 +921,7 @@ dev = [
     { name = "pytest-asyncio", specifier = "==1.3.0" },
     { name = "rich", specifier = "==14.2.0" },
     { name = "ruff", specifier = "==0.14.7" },
-    { name = "types-python-dateutil", specifier = "==2.9.0.20251008" },
+    { name = "types-python-dateutil", specifier = "==2.9.0.20251115" },
     { name = "types-python-slugify", specifier = "==8.0.2.20240310" },
     { name = "types-pyyaml", specifier = "==6.0.12.20250915" },
     { name = "types-requests", specifier = "==2.32.4.20250913" },
@@ -1821,11 +1821,11 @@ wheels = [
 
 [[package]]
 name = "types-python-dateutil"
-version = "2.9.0.20251008"
+version = "2.9.0.20251115"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/fc/83/24ed25dd0c6277a1a170c180ad9eef5879ecc9a4745b58d7905a4588c80d/types_python_dateutil-2.9.0.20251008.tar.gz", hash = "sha256:c3826289c170c93ebd8360c3485311187df740166dbab9dd3b792e69f2bc1f9c", size = 16128, upload-time = "2025-10-08T02:51:34.93Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/6a/36/06d01fb52c0d57e9ad0c237654990920fa41195e4b3d640830dabf9eeb2f/types_python_dateutil-2.9.0.20251115.tar.gz", hash = "sha256:8a47f2c3920f52a994056b8786309b43143faa5a64d4cbb2722d6addabdf1a58", size = 16363, upload-time = "2025-11-15T03:00:13.717Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/da/af/5d24b8d49ef358468ecfdff5c556adf37f4fd28e336b96f923661a808329/types_python_dateutil-2.9.0.20251008-py3-none-any.whl", hash = "sha256:b9a5232c8921cf7661b29c163ccc56055c418ab2c6eabe8f917cbcc73a4c4157", size = 17934, upload-time = "2025-10-08T02:51:33.55Z" },
+    { url = "https://files.pythonhosted.org/packages/43/0b/56961d3ba517ed0df9b3a27bfda6514f3d01b28d499d1bce9068cfe4edd1/types_python_dateutil-2.9.0.20251115-py3-none-any.whl", hash = "sha256:9cf9c1c582019753b8639a081deefd7e044b9fa36bd8217f565c6c4e36ee0624", size = 18251, upload-time = "2025-11-15T03:00:12.317Z" },
 ]
 
 [[package]]