diff --git a/requirements.txt b/requirements.txt
index 615c4a4..8c2a545 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ flask-restful-swagger-2==0.35
 itsdangerous==2.0.1
 jinja2==3.0.3
 kazoo==2.5.0
-Babel==2.6.0
+Babel==2.9.1
 ansicolors==1.1.8
 requests==2.21.0
 PyYAML==5.4