diff --git a/UW_Python230_Internet_Programming_In_Python/xss-example/requirements.txt b/UW_Python230_Internet_Programming_In_Python/xss-example/requirements.txt
index 2637da2..cbb213f 100644
--- a/UW_Python230_Internet_Programming_In_Python/xss-example/requirements.txt
+++ b/UW_Python230_Internet_Programming_In_Python/xss-example/requirements.txt
@@ -1,7 +1,7 @@
 click==6.7
 Flask==1.0.2
 itsdangerous==0.24
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.0
 peewee==3.3.4
 Werkzeug==0.15.3