diff --git a/UW_Python230_Internet_Programming_In_Python/flask-mailroom/requirements.txt b/UW_Python230_Internet_Programming_In_Python/flask-mailroom/requirements.txt
index bd6b138..5e98780 100644
--- a/UW_Python230_Internet_Programming_In_Python/flask-mailroom/requirements.txt
+++ b/UW_Python230_Internet_Programming_In_Python/flask-mailroom/requirements.txt
@@ -1,7 +1,7 @@
 click==6.7
 Flask==1.0
 itsdangerous==0.24
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.0
 peewee==3.2.2
 psycopg2-binary==2.7.4