diff --git a/pyproject.toml b/pyproject.toml
index e3cbdd0..048a634 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
 tox = ">= 3.9.0"
 flake8 = ">= 4.0.0"
-types-python-dateutil = ">= 2.8.19.14"
+types-python-dateutil = ">=2.9.0.20241206"
 mypy = ">= 1.5"