diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 7c55a2a..5d47671
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.11
 argh==0.26.2
 atomicwrites==1.2.1
 attrs==18.2.0
-Babel==2.6.0
+Babel==2.9.1
 certifi==2018.8.24
 chardet==3.0.4
 coverage==4.5.1