diff --git a/bak/requirements.txt b/bak/requirements.txt
index e71cf59..2272792 100644
--- a/bak/requirements.txt
+++ b/bak/requirements.txt
@@ -6,7 +6,7 @@ astor==0.7.1
 attrs==18.2.0
 Automat==0.7.0
 autopep8==1.4
-Babel==2.6.0
+Babel==2.9.1
 backcall==0.1.0
 basho-erlastic==2.1.1
 bleach==2.1.4