diff --git a/requirements.txt b/requirements.txt
index 684a13c..df478cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 autopep8==1.4.4
-Babel==2.6.0
+Babel==2.9.1
 Click==7.0
 decorator==4.3.0
 Flask==1.0.2