diff --git a/requirements.txt b/requirements.txt
index c90b682..6422482 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ aniso8601==5.1.0
 asn1crypto==0.24.0
 atomicwrites==1.3.0
 attrs==19.1.0
-Babel==2.6.0
+Babel==2.9.1
 bcrypt==3.1.6
 blinker==1.4
 cffi==1.12.3