diff --git a/requirements.txt b/requirements.txt
index cb2077b..b049dcc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 asn1crypto==0.24.0
 astroid==2.3.1
 attrs==19.2.0
-Babel==2.7.0
+Babel==2.9.1
 backcall==0.1.0
 bleach==3.1.0
 certifi==2019.9.11