diff --git a/requirements.txt b/requirements.txt
index 7d711ee..6cc3c99 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Babel==2.6.0
+Babel==2.9.1
 blinker==1.4
 certifi==2018.4.16
 chardet==3.0.4