diff --git a/CMController/requirements.txt b/CMController/requirements.txt
index 3edaec6..ab88804 100644
--- a/CMController/requirements.txt
+++ b/CMController/requirements.txt
@@ -14,7 +14,7 @@ ipython==7.12.0
 ipython-genutils==0.2.0
 iso8601==0.1.12
 jedi==0.16.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 jsonschema==3.2.0
 jupyter-client==5.3.4
 jupyter-core==4.6.1