diff --git a/intro-nfvis/requirements.txt b/intro-nfvis/requirements.txt
index 967375888..6d72651e7 100644
--- a/intro-nfvis/requirements.txt
+++ b/intro-nfvis/requirements.txt
@@ -1,4 +1,4 @@
 ciscosparkapi==0.9.2
 requests==2.18.4
-urllib3==1.22
+urllib3==1.26.5
 webexteamssdk