diff --git a/online-boutique-demo/src/loadgenerator/requirements.txt b/online-boutique-demo/src/loadgenerator/requirements.txt
index 532c613..88f0499 100644
--- a/online-boutique-demo/src/loadgenerator/requirements.txt
+++ b/online-boutique-demo/src/loadgenerator/requirements.txt
@@ -15,7 +15,7 @@ geventhttpclient==1.4.4   # via locust
 greenlet==0.4.17          # via gevent
 idna==2.10                # via requests
 itsdangerous==1.1.0       # via flask
-jinja2==2.11.3            # via flask
+jinja2==3.1.5            # via flask
 locust==1.3.1             # via -r requirements.in
 markupsafe==1.1.1         # via jinja2
 msgpack==1.0.0            # via locust