diff --git a/Lecture5/requirements.txt b/Lecture5/requirements.txt
index 70bab6d..a22ab98 100644
--- a/Lecture5/requirements.txt
+++ b/Lecture5/requirements.txt
@@ -13,7 +13,7 @@ ipython==7.11.1
 ipython-genutils==0.2.0
 jaraco.itertools==5.0.0
 jedi==0.16.0
-Jinja2==2.11.0
+Jinja2==2.11.3
 json5==0.8.5
 jsonschema==3.2.0
 jupyter-client==5.3.4