diff --git a/requirements.txt b/requirements.txt
index a356194..836257c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ appkernel==1.1.0
 asn1crypto==0.24.0
 async-timeout==3.0.0
 attrs==18.2.0
-Babel==2.6.0
+Babel==2.9.1
 cchardet==2.1.1
 certifi==2018.8.24
 cffi==1.11.5