diff --git a/requirements.txt b/requirements.txt
index b1a4089..9fb1051 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Babel==2.5.3
+Babel==2.9.1
 certifi==2018.4.16
 chardet==3.0.4
 idna==2.6