diff --git a/container-optimizer/requirements.txt b/container-optimizer/requirements.txt
index 61c96cf..7fb39a7 100644
--- a/container-optimizer/requirements.txt
+++ b/container-optimizer/requirements.txt
@@ -34,7 +34,7 @@ ipython==7.12.0
 ipython-genutils==0.2.0
 ipywidgets==7.5.1
 jedi==0.16.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 jmespath==0.9.5
 jsonschema==3.2.0
 jupyter==1.0.0