diff --git a/requirements.txt b/requirements.txt
index 1d69bbb..09e6ff6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 alembic==0.9.9
-Babel==2.5.3
+Babel==2.9.1
 blinker==1.4
 certifi==2018.1.18
 cffi==1.11.5