diff --git a/tei2json/requirements.txt b/tei2json/requirements.txt
index dbb06c7..a57048e 100644
--- a/tei2json/requirements.txt
+++ b/tei2json/requirements.txt
@@ -32,7 +32,7 @@ ipython-genutils==0.2.0
 ipywidgets==7.5.1
 itsdangerous==1.1.0
 jedi==0.17.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 jinja2-time==0.2.0
 json5==0.9.4
 jsonschema==3.2.0