diff --git a/requirements.txt b/requirements.txt
index 875afbd..74cdcd0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 aniso8601==7.0.0
 argh==0.26.2
 astroid==2.4.0
-Babel==2.7.0
+Babel==2.9.1
 certifi==2019.6.16
 chardet==3.0.4
 Click==7.0