diff --git a/requirements.txt b/requirements.txt
index 9d51a0c..f2ef009 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 argh==0.26.2
 atomicwrites==1.3.0
 attrs==19.1.0
-Babel==2.7.0
+Babel==2.9.1
 certifi==2019.6.16
 chardet==3.0.4
 colorama==0.4.1