diff --git a/requirements.txt b/requirements.txt
index 18ede69..403ebef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.12
 atomicwrites==1.3.0
 attrs==19.1.0
-Babel==2.7.0
+Babel==2.9.1
 backcall==0.1.0
 certifi==2019.6.16
 chardet==3.0.4