diff --git a/requirements.txt b/requirements.txt
index 80f0bdb47..a6e51ff02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ flask==3.0.2
 jinja2==3.1.3
 lxml==5.1.0
 pygments==2.17.2
-python-dateutil==2.8.2
+python-dateutil==2.9.0.post0
 pyyaml==6.0.1
 httpx[http2]==0.24.1
 Brotli==1.1.0