diff --git a/requirements-docs.txt b/requirements-docs.txt
index 09eb8bcfd..a71ae474e 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.12
 attrs==19.1.0
-Babel==2.7.0
+Babel==2.9.1
 certifi==2019.6.16
 chardet==3.0.4
 docutils==0.15.2