diff --git a/requirements_dev.txt b/requirements_dev.txt
index 971f7e0..0cddf94 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.10
 argh==0.26.2
 asn1crypto==0.22.0
-Babel==2.4.0
+Babel==2.9.1
 bumpversion==0.5.3
 certifi==2022.12.7
 cffi==1.10.0