diff --git a/rest_api/requirements.txt b/rest_api/requirements.txt
index d17208a..400f2c5 100644
--- a/rest_api/requirements.txt
+++ b/rest_api/requirements.txt
@@ -25,7 +25,7 @@ httplib2==0.9.2
 idna==2.6
 itypes==1.1.0
 jdcal==1.4
-Jinja2==2.10
+Jinja2==2.11.3
 Markdown==2.6.11
 MarkupSafe==1.0
 odfpy==1.3.6