diff --git a/lectures/wk2/requirements.txt b/lectures/wk2/requirements.txt
index 28c71a8..96fc26c 100644
--- a/lectures/wk2/requirements.txt
+++ b/lectures/wk2/requirements.txt
@@ -1,7 +1,7 @@
 Click==7.0
 Flask==1.1.1
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 python-dotenv==0.10.3
 Werkzeug==0.15.6