diff --git a/dev_requirements.txt b/dev_requirements.txt
index f11b611..2913059 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.12
 attrs==20.3.0
-Babel==2.9.0
+Babel==2.9.1
 certifi==2020.12.5
 chardet==4.0.0
 docutils==0.16