diff --git a/requirements.txt b/requirements.txt
index 4f8901b..df3b1de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ et-xmlfile==1.0.1
 Flask==1.1.2
 itsdangerous==1.1.0
 jdcal==1.4.1
-Jinja2==2.11.2
+Jinja2==2.11.3
 kiwisolver==1.3.0
 MarkupSafe==1.1.1
 matplotlib==3.3.2