diff --git a/docs/requirements.txt b/docs/requirements.txt
index 01f91134ce6..b7bff7d2d7d 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
 alabaster==0.7.12
-Babel==2.7.0
+Babel==2.9.1
 certifi==2019.9.11
 chardet==3.0.4
 doc8==0.8.0