diff --git a/requirements.txt b/requirements.txt
index 423db06..23f8fed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.12
 attrs==19.3.0
 autopep8==1.5.1
-Babel==2.8.0
+Babel==2.9.1
 bleach==3.1.4
 certifi==2020.4.5.1
 cffi==1.14.0