diff --git a/requirements.txt b/requirements.txt
index 12902d3..6363577 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 CouchDB==1.0
-Jinja2==2.7.3
+Jinja2==3.1.3
 LEPL==5.1.3
 MarkupSafe==0.23
 PasteDeploy==1.5.2