diff --git a/requirements/common.txt b/requirements/common.txt
index 8473102..2757727 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -3,7 +3,7 @@ alembic==0.9.4
 altgraph==0.14
 appnope==0.1.0
 asn1crypto==0.22.0
-Babel==2.5.0
+Babel==2.9.1
 bcrypt==3.1.3
 blinker==1.4
 certifi==2017.7.27.1