diff --git a/requirements-test.txt b/requirements-test.txt
index 837177a..504d9f3 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -5,5 +5,5 @@ mypy-extensions==1.1.0
 pylint==3.3.7
 pytest==8.4.1
 pytest-cov==6.2.1
-types-python-dateutil==2.9.0.20250708
+types-python-dateutil==2.9.0.20250809
 types-requests==2.32.4.20250611