diff --git a/requirements.txt b/requirements.txt
index a7d8132b4..5da222e96 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ amqp==2.5.0               # via kombu
 apispec[yaml]==1.3.3      # via flask-appbuilder
 asn1crypto==0.24.0        # via cryptography
 attrs==19.1.0             # via jsonschema
-babel==2.7.0              # via flask-babel
+babel==2.9.1              # via flask-babel
 backoff==1.8.0
 billiard==3.6.0.0         # via celery
 bleach==3.1.0