diff --git a/requirements.txt b/requirements.txt
index 92da62d..2da6b25 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 numpy==1.16.4
 attrs==19.1.0
 -e git+https://github.com/automl/auto-sklearn.git@1c6af59ff61f1d0a3b54b16a35ffbc5d2d3828cd#egg=auto_sklearn
-Babel==2.7.0
+Babel==2.9.1
 backcall==0.1.0
 bleach==3.1.0
 certifi==2019.6.16