diff --git a/docsrc/requirements.txt b/docsrc/requirements.txt
index 816dbe0..2228bc6 100644
--- a/docsrc/requirements.txt
+++ b/docsrc/requirements.txt
@@ -1,5 +1,5 @@
 alabaster==0.7.12
-Babel==2.9.0
+Babel==2.9.1
 certifi==2020.12.5
 chardet==4.0.0
 docutils==0.16