diff --git a/requirements.txt b/requirements.txt
index 2df9e54..dba406b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Babel==2.0
+Babel==2.9.1
 CommonMark==0.5.4
 Jinja2==2.10.1
 MarkupSafe==0.23