diff --git a/requirements.txt b/requirements.txt
index 0fd9d62..129cdaf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 alembic==0.9.8
 autopep8==1.3.4
-Babel==2.5.3
+Babel==2.9.1
 blinker==1.4
 certifi==2018.4.16
 chardet==3.0.4