diff --git a/requirements.txt b/requirements.txt
index 4fdd93d..2503aa7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ alabaster==0.7.12
 astor==0.8.0
 atomicwrites==1.3.0
 attrs==19.1.0
-Babel==2.7.0
+Babel==2.9.1
 certifi==2019.9.11
 chardet==3.0.4
 cycler==0.10.0