diff --git a/demo/requirements.txt b/demo/requirements.txt
index f21dfba..d2e3401 100644
--- a/demo/requirements.txt
+++ b/demo/requirements.txt
@@ -1,5 +1,5 @@
 amqp==2.5.1
-Babel==2.7.0
+Babel==2.9.1
 billiard==3.6.1.0
 boto3==1.10.14
 botocore==1.13.14