diff --git a/requirements.txt b/requirements.txt
index a9995b9..d897acc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Babel==2.6.0
+Babel==2.9.1
 bcrypt==3.1.4
 blinker==1.4
 cffi==1.11.5