diff --git a/requirements-dev.txt b/requirements-dev.txt
index 08510ed..e42518c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@ alabaster==0.7.12
 appdirs==1.4.4
 atomicwrites==1.4.0
 attrs==20.3.0
-babel==2.9.0
+babel==2.9.1
 certifi==2020.11.8
 cfgv==3.2.0
 chardet==3.0.4