diff --git a/requirements.txt b/requirements.txt
index 78e5fb4..7136e42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ astor==0.7.1
 astroid==1.6.5
 atomicwrites==1.3.0
 attrs==18.2.0
-Babel==2.4.0
+Babel==2.9.1
 backports.functools-lru-cache==1.5
 bcrypt==3.1.5
 blinker==1.4