diff --git a/requirements.txt b/requirements.txt
index d0e616d0..216be719 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ factory-boy==2.12.0
 itsdangerous==0.24
 nose==1.3.7
 paramiko==2.4.2
-python-dateutil==2.8.0
+python-dateutil==2.9.0.post0
 pytz==2019.1
 python-editor==1.0.4
 ipaddress==1.0.21