diff --git a/requirements.txt b/requirements.txt
index 77212fb..b9f1965 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 appdirs==1.4.3
 asn1crypto==0.24.0
-Babel==2.5.3
+Babel==2.9.1
 certifi==2018.4.16
 cffi==1.11.5
 chardet==3.0.4