diff --git a/requirements-test.txt b/requirements-test.txt
index d15832a..194daa5 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -12,6 +12,6 @@ types-PyYAML==6.0.12.20250402
 types-beautifulsoup4==4.12.0.20250204
 types-html5lib==1.1.11.20241018
 types-openpyxl==3.1.5.20250306
-types-python-dateutil==2.9.0.20241206
+types-python-dateutil==2.9.0.20250822
 types-toml==0.10.8.20240310
 types-xmltodict==0.14.0.20241009