diff --git a/dendronet_legacy/requirements.txt b/dendronet_legacy/requirements.txt
index cda78a0..36485b8 100644
--- a/dendronet_legacy/requirements.txt
+++ b/dendronet_legacy/requirements.txt
@@ -100,7 +100,7 @@ traitlets==4.3.2
 ubuntu-drivers-common==0.0.0
 ufw==0.36
 unattended-upgrades==0.1
-urllib3==1.22
+urllib3==1.26.5
 usb-creator==0.3.3
 wadllib==1.3.2
 wcwidth==0.1.7