diff --git a/requirements.txt b/requirements.txt
index bc980e2..55c87a0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ itsdangerous==2.1.2
 Jinja2==3.1.3
 jmespath==1.0.1
 MarkupSafe==2.1.5
-python-dateutil==2.8.2
+python-dateutil==2.9.0.post0
 s3transfer==0.10.0
 six==1.16.0
 urllib3