diff --git a/requirements.txt b/requirements.txt
index bd220d0..ae28f1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ mdurl==0.1.2
 ordered-set==4.1.0
 pelican==4.9.1
 Pygments==2.17.2
-python-dateutil==2.8.2
+python-dateutil==2.9.0.post0
 pytz==2024.1
 rich==13.7.1
 six==1.16.0