diff --git a/requirements.txt b/requirements.txt
index 37ef8b1..6c77f13 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.12
 appdirs==1.4.3
-Babel==2.8.0
+Babel==2.9.1
 bleach==3.3.0
 CacheControl==0.12.6
 certifi==2019.11.28