diff --git a/requirements.txt b/requirements.txt
index 61a72db..66da66a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 alembic==0.9.6
-Babel==2.5.1
+Babel==2.9.1
 blinker==1.4
 certifi==2017.7.27.1
 chardet==3.0.4