diff --git a/sdk/python/pyproject.toml b/sdk/python/pyproject.toml
index a9e7930..cdeb8ca 100644
--- a/sdk/python/pyproject.toml
+++ b/sdk/python/pyproject.toml
@@ -35,7 +35,7 @@ requires-poetry = ">=2.0"
 pytest = ">=9.1.1"
 filelock = ">= 3.20.3"
 pytest-cov = ">=7.1.0"
-types-python-dateutil = ">=2.9.0.20260807"
+types-python-dateutil = ">=2.9.0.20261021"
 mypy = ">= 1.5"