diff --git a/js/jqTree/docs_src/requirements.txt b/js/jqTree/docs_src/requirements.txt
index 8914b4d9..695394fb 100644
--- a/js/jqTree/docs_src/requirements.txt
+++ b/js/jqTree/docs_src/requirements.txt
@@ -1,2 +1,2 @@
-Jinja2==2.7.2
+Jinja2==2.11.3
 MarkupSafe==0.21