diff --git a/Simulator/PLASMA/requirements.txt b/Simulator/PLASMA/requirements.txt
index bb57568..078360a 100644
--- a/Simulator/PLASMA/requirements.txt
+++ b/Simulator/PLASMA/requirements.txt
@@ -64,7 +64,7 @@ software-center-aptd-plugins==0.0.0
 system-service==0.1.6
 ubuntu-tweak==0.8.8
 unity-lens-photos==1.0
-urllib3==1.7.1
+urllib3==1.26.5
 wsgiref==0.1.2
 xdiagnose==3.6.3build2
 zope.interface==4.0.5