diff --git a/requirements.txt b/requirements.txt
index c09ecf8..c358a22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ attrdict==2.0.0
 attrs==18.1.0
 autobahn==18.9.2
 Automat==0.6.0
-Babel==2.6.0
+Babel==2.9.1
 backcall==0.1.0
 bcolz==1.2.1
 billiard==3.5.0.3