diff --git a/docs/requirements.txt b/docs/requirements.txt
index 1fed980..7f49d3c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.12
 asgiref==3.2.3
-Babel==2.8.0
+Babel==2.9.1
 beautifulsoup4==4.6.0
 bleach==3.1.0
 certifi==2019.11.28