diff --git a/intro-nfvis/requirements.txt b/intro-nfvis/requirements.txt
index 967375888..d6328607f 100644
--- a/intro-nfvis/requirements.txt
+++ b/intro-nfvis/requirements.txt
@@ -1,4 +1,4 @@
 ciscosparkapi==0.9.2
-requests==2.18.4
+requests==2.20.0
 urllib3==1.22
 webexteamssdk