diff --git a/requirements.txt b/requirements.txt
index 5d4e6cd..053a7e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 asn1crypto==0.24.0
 astroid==2.0.4
 attrs==19.1.0
-Babel==2.7.0
+Babel==2.9.1
 beautifulsoup4==4.7.1
 certifi==2019.3.9
 cffi==1.12.3