diff --git a/demo_requirements.txt b/demo_requirements.txt
index f69c2d6..cf8f001 100644
--- a/demo_requirements.txt
+++ b/demo_requirements.txt
@@ -11,7 +11,7 @@ Flask-WTF==0.14.2
 gensim==3.7.2
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 jmespath==0.9.4
 MarkupSafe==1.1.1
 numpy==1.16.3