diff --git a/requirements.txt b/requirements.txt
index b432195..bce6545 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Babel==2.5.1
+Babel==2.9.1
 certifi==2017.11.5
 chardet==3.0.4
 cycler==0.10.0