diff --git a/requirements.txt b/requirements.txt
index 9a37ecb..d1bfdda 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 astroid==2.1.0
 atomicwrites==1.2.1
 attrs==18.2.0
-Babel==2.6.0
+Babel==2.9.1
 beautifulsoup4==4.7.1
 bs4==0.0.1
 certifi==2018.11.29