diff --git a/requirements.txt b/requirements.txt
index 786b6e4..909493c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ alabaster==0.7.12
 asn1crypto==0.24.0
 astroid==2.2.5
 attrs==19.1.0
-Babel==2.7.0
+Babel==2.9.1
 backcall==0.1.0
 beautifulsoup4==4.8.0
 bleach==3.1.0