diff --git a/requirements.txt b/requirements.txt
index 8228e51..ca6985d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ alabaster==0.7.12
 aniso8601==7.0.0
 asn1crypto==0.24.0
 astor==0.8.0
-Babel==2.7.0
+Babel==2.9.1
 boto==2.49.0
 boto3==1.9.169
 botocore==1.12.169